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Transcript of Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7...
![Page 1: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/1.jpg)
![Page 2: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/2.jpg)
New Biogeochemical Cycle: The Nitrogen Cycle.
Copyright © 2010 Ryan P. Murphy
![Page 3: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/3.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 4: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/4.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 5: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/5.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 6: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/6.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 7: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/7.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 8: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/8.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 9: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/9.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 10: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/10.jpg)
• What will be studying a whole lot of in the next few days?
Copyright © 2010 Ryan P. Murphy
![Page 11: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/11.jpg)
• Yes, We will be studying concepts that have a lot to do with waste.
Copyright © 2010 Ryan P. Murphy
![Page 12: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/12.jpg)
Nitrogen Cycle: The circulation of nitrogen.
Copyright © 2010 Ryan P. Murphy
![Page 13: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/13.jpg)
Nitrogen Cycle: The circulation of nitrogen.
Copyright © 2010 Ryan P. Murphy
![Page 14: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/14.jpg)
Nitrogen Cycle: The circulation of nitrogen.
Copyright © 2010 Ryan P. Murphy
![Page 15: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/15.jpg)
Nitrogen Cycle: The circulation of nitrogen.
Copyright © 2010 Ryan P. Murphy
![Page 16: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/16.jpg)
• Video! The goal will be to try and make some sense out this confusing video.
Copyright © 2010 Ryan P. Murphy
![Page 17: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/17.jpg)
• Video! The goal will be to try and make some sense out this confusing video.– We will watch it again at the end of class to see if
we understand any of it. It’s wacky.
Copyright © 2010 Ryan P. Murphy
![Page 18: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/18.jpg)
• Video! The goal will be to try and make some sense out this confusing video.– We will watch it again at the end of class to see if
we understand any of it. It’s wacky.– http://www.youtube.com/watch?v=tSzLQojOItg&f
eature=iv&src_vid=Hghru0O7dDs&annotation_id=annotation_151343
Copyright © 2010 Ryan P. Murphy
![Page 19: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/19.jpg)
• Everyone take a deep breath in and then breathe out.– 78% of what you just breathed in was Nitrogen
N2 gas– 78% of what you exhaled was… Nitrogen N2
gas.
Copyright © 2010 Ryan P. Murphy
![Page 20: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/20.jpg)
• Everyone take a deep breath in and then breathe out.– 78% of what you just breathed in was Nitrogen
N2 gas– 78% of what you exhaled was… Nitrogen N2
gas.
Copyright © 2010 Ryan P. Murphy
![Page 21: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/21.jpg)
• Everyone take a deep breath in and then breathe out.– 78% of what you just breathed in was Nitrogen
N2 gas– 78% of what you exhaled was… Nitrogen N2
gas.
Copyright © 2010 Ryan P. Murphy
![Page 22: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/22.jpg)
• Everyone take a deep breath in and then breathe out.– 78% of what you just breathed in was Nitrogen
N2 gas– 78% of what you exhaled was… Nitrogen N2
gas.
Copyright © 2010 Ryan P. Murphy
![Page 23: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/23.jpg)
• Nitrogen in the atmosphere is N2 gas which is doesn’t bond well with other molecules.
Copyright © 2010 Ryan P. Murphy
![Page 24: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/24.jpg)
• Nitrogen in the atmosphere is N2 gas which is doesn’t bond well with other molecules.– Nitrogen forms triple bonds with itself.
Copyright © 2010 Ryan P. Murphy
![Page 25: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/25.jpg)
• Nitrogen in the atmosphere is N2 gas which is doesn’t bond well with other molecules.– Nitrogen forms triple bonds with itself.
Copyright © 2010 Ryan P. Murphy
![Page 26: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/26.jpg)
• Nitrogen in the atmosphere is N2 gas which is doesn’t bond well with other molecules.– Nitrogen forms triple bonds with itself.
Copyright © 2010 Ryan P. Murphy
![Page 27: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/27.jpg)
• Nitrogen in the atmosphere is N2 gas which is doesn’t bond well with other molecules.– Nitrogen forms triple bonds with itself.
Copyright © 2010 Ryan P. Murphy
![Page 28: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/28.jpg)
• When nitrogen is “fixed”, it’s bonds are split with the other nitrogen. Now it has three arms to make new friends,
Copyright © 2010 Ryan P. Murphy
![Page 29: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/29.jpg)
• When nitrogen is “fixed”, it’s bonds are split with the other nitrogen. Now it has three arms to make new friends like oxygen.
Copyright © 2010 Ryan P. Murphy
![Page 30: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/30.jpg)
• When nitrogen is “fixed”, it’s bonds are split with the other nitrogen. Now it has three arms to make new friends like oxygen.
Copyright © 2010 Ryan P. Murphy
![Page 31: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/31.jpg)
• When nitrogen is “fixed”, it’s bonds are split with the other nitrogen. Now it has three arms to make new friends like oxygen (NO2)
Bacteria
Copyright © 2010 Ryan P. Murphy
![Page 32: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/32.jpg)
• Rain and precipitation bring the atmospheric Nitrogen to the ground.
![Page 33: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/33.jpg)
• Rain and precipitation bring the atmospheric Nitrogen to the ground.
![Page 34: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/34.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.
![Page 35: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/35.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 36: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/36.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 37: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/37.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 38: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/38.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 39: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/39.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 40: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/40.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 41: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/41.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 42: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/42.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 43: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/43.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 44: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/44.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 45: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/45.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
![Page 46: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/46.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
To Plant
![Page 47: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/47.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
To Plant
![Page 48: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/48.jpg)
• Nitrogen fixing bacteria in the soil and on the root nodules of plants can fix the nitrogen.– Fix means change its form so a plant can use it.
To Plant
![Page 49: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/49.jpg)
• Plants can now use this new molecule to get the nitrogen they need to build proteins so they can grow, repair, and reproduce.
Copyright © 2010 Ryan P. Murphy
Oxygen
![Page 50: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/50.jpg)
• Plants can now use this new molecule to get the nitrogen they need to build proteins so they can grow, repair, and reproduce.– With the help of nitrogen fixing bacteria
Copyright © 2010 Ryan P. Murphy
Oxygen
![Page 51: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/51.jpg)
• Plants can now use this new molecule to get the nitrogen they need to build proteins so they can grow, repair, and reproduce.– With the help of nitrogen fixing bacteria
Copyright © 2010 Ryan P. Murphy
Oxygen
![Page 52: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/52.jpg)
• Plants can now use this new molecule to get the nitrogen they need to build proteins so they can grow, repair, and reproduce.– With the help of nitrogen fixing bacteria
Copyright © 2010 Ryan P. Murphy
Oxygen
![Page 53: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/53.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 54: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/54.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 55: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/55.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 56: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/56.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 57: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/57.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
Animals get their nitrogen from eating plants. Or…
![Page 58: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/58.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
Animals get their nitrogen from eating plants. Or…
![Page 59: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/59.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
Animals get their nitrogen from eating plants. Or…
![Page 60: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/60.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
Animals get their nitrogen from eating plants. Or…
![Page 61: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/61.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
Animals get their nitrogen from eating plants. Or…
![Page 62: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/62.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
Animals get their nitrogen from eating plants. Or…
![Page 63: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/63.jpg)
• Eventually, plants and animals die.• Ammonia (NH3) / Decay / Waste
![Page 64: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/64.jpg)
• When plants and animals die. – Nitrifying bacteria break down the nitrogen in
their tissues. (Nitrites NO2)
![Page 65: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/65.jpg)
• When plants and animals die. – Nitrifying bacteria break down the nitrogen in
their tissues. (Nitrites NO2)
Some of thisnitrogen can go
back to the nitrogen fixing bacteria
![Page 66: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/66.jpg)
• When plants and animals die. – Nitrifying bacteria break down the nitrogen in
their tissues. (Nitrites NO2)
Some of thisnitrogen can go
back to the nitrogen fixing bacteria
![Page 67: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/67.jpg)
• Denitrifying bacteria can also change the NH3 Nitrate back to N2 Nitrogen gas
![Page 68: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/68.jpg)
• When the nitrogen is denitrified, it then bonds with another nitrogen to form inert N2 gas in the atmosphere until the cycle repeats.
Copyright © 2010 Ryan P. Murphy
![Page 69: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/69.jpg)
• When the nitrogen is denitrified, it then bonds with another nitrogen to form inert N2 gas in the atmosphere until the cycle repeats.
“We now get to hang out in
the atmosphere for a long
time.”
Copyright © 2010 Ryan P. Murphy
![Page 70: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/70.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 71: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/71.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 72: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/72.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 73: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/73.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 74: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/74.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 75: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/75.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 76: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/76.jpg)
• All life requires nitrogen-compounds, e.g., proteins and nucleic acids.
• Air, which is 79% nitrogen gas (N2), is the major reservoir of nitrogen.
• But most organisms cannot use nitrogen in this form.
• Plants must secure their nitrogen in "fixed" form, i.e., incorporated in compounds such as: – nitrate ions (NO3−) – ammonia (NH3) – urea (NH2)2CO
• Animals secure their nitrogen (and all other) compounds from plants (or animals that have fed on plants).
Copyright © 2010 Ryan P. Murphy
![Page 77: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/77.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Nitrification: Plants with bacteria take up
nitrogen.– Decay: Passes on through eating / waste.– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 78: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/78.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Nitrification: Plants with bacteria take up
nitrogen.– Decay: Passes on through eating / waste.– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 79: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/79.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Nitrification: Plants with bacteria take up
nitrogen.– Decay: Passes on through eating / waste.– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 80: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/80.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Nitrification: Plants with bacteria take up
nitrogen.– Decay: Passes on through eating / waste.– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 81: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/81.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Plants with the help of bacteria take up nitrogen.– Decay: Passes on through eating / waste.– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 82: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/82.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Plants with the help of bacteria take up nitrogen.– Decay and waste passes on nitrogen– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 83: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/83.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Plants with the help of bacteria take up nitrogen.– Decay and waste passes on nitrogen– Denitrification: Nitrogen returned to the air by
bacteria.
Copyright © 2010 Ryan P. Murphy
![Page 84: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/84.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Plants with the help of bacteria take up nitrogen.– Decay and waste passes on nitrogen– Denitrification: Nitrogen returned to the air by
bacteria.
Copyright © 2010 Ryan P. Murphy
![Page 85: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/85.jpg)
• Four processes participate in the cycling of nitrogen through the biosphere: – Nitrogen fixation: Break apart N2 so it can join to
other atoms and be used.– Plants with the help of bacteria take up nitrogen.– Decay and waste passes on nitrogen– Denitrification: Nitrogen returned to the air by
bacteria. • Happens with poor soil management.
Copyright © 2010 Ryan P. Murphy
![Page 86: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/86.jpg)
• This is an example of poor soil conservation methods which leads to soil nutrient depletion.
Copyright © 2010 Ryan P. Murphy
![Page 87: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/87.jpg)
• This is an example of poor soil conservation methods which leads to soil nutrient depletion.– The lost nitrogen in this runoff will be denitrified by
bacteria back to the atmosphere .
Copyright © 2010 Ryan P. Murphy
![Page 88: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/88.jpg)
• This is an example of poor soil conservation methods which leads to soil nutrient depletion.– The lost nitrogen in this runoff will be denitrified by
bacteria back to the atmosphere .
Copyright © 2010 Ryan P. Murphy
![Page 89: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/89.jpg)
• Manmade fertilizers also puts nitrogen into the soil. (Ammonia NH3)
Copyright © 2010 Ryan P. Murphy
![Page 90: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/90.jpg)
• Manmade fertilizers also puts nitrogen into the soil. (Ammonia NH3)–Excess / poor management of nitrogen
can result in pollution.
Copyright © 2010 Ryan P. Murphy
![Page 91: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/91.jpg)
• Manmade fertilizers also puts nitrogen into the soil. (Ammonia NH3)–Excess / poor management of nitrogen
can result in pollution.
Copyright © 2010 Ryan P. Murphy
![Page 92: Areas of Focus within The Ecology: Abiotic Factors Unit Abiotic Factors, Biotic Factors, The Big 7 Abiotic Factors, Organisms Range of Tolerance, Light,](https://reader036.fdocuments.net/reader036/viewer/2022062712/56649c755503460f94928510/html5/thumbnails/92.jpg)
• Manmade fertilizers also puts nitrogen into the soil. (Ammonia NH3)–Excess / poor management of nitrogen
can result in pollution.
Copyright © 2010 Ryan P. Murphy