Carbon Cycle By: Arianna, Caroline, Carly, and Haley.
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Transcript of Carbon Cycle By: Arianna, Caroline, Carly, and Haley.
![Page 1: Carbon Cycle By: Arianna, Caroline, Carly, and Haley.](https://reader035.fdocuments.net/reader035/viewer/2022062716/56649dc65503460f94ab9d32/html5/thumbnails/1.jpg)
Carbon Cycle
By: Arianna, Caroline, Carly, and Haley
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Most Common Chemical Forms of Carbon
Proteins and carbohydrates
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Most Common Chemical Forms of Carbon
Carbon dioxide (CO2)
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Most Common Chemical Forms of Carbon
Sedimentary rocks- calcium carbonate (CaCO3) ex. limestone
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Most Common Chemical Forms of Carbon
Carbonate-dissolved carbon dioxide (CO2
3-)
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Most Common Chemical Forms of Carbon
Bicarbonate-dissolved carbon from decay (HCO3-) ex.
baking soda
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How are these chemical forms created?
● Carbohydrates- product of photosynthesis (C6H12O6)
● CO2- product of cellular respiration● Carbonate-formed in aquatic carbon cycle
between organisms and CO2 dissolved in water● Bicarbonate-dissolved from decay processes● Calcium Carbonate- exists naturally in
sedimentary rocks
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how is this nutrient used by living organisms?
● Plants, algae, and certain bacteria remove carbon from the air and incorporate it into chemical compounds during photosynthesis
● These food-making organisms need carbon to create carbohydrates (essential for growth)
● Other living organisms, such as animals, need carbohydrates for energy but cannot create it on their own
● to obtain carbohydrates, herbivores eat green plants and break down the carbohydrates into useful substances and carnivores eat herbivorescarbohydrates
(sugars): act as source of energy
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is carbon part of a particular macromolecule necessary for life?
YES!!!!!!!!!!!!
CARBOHYDRATES
LIPIDS
PROTEINS
DNA
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How have humans altered the cycling of carbon?
● Human activities include:● industrial society uses energy● acquired by:● burning of fossil fuels( coal, oil, natural gas)● combustion of wood● burning of tropical forests
These activities cause:● carbon to reach the atmosphere
Carbon Dioxide Emissions
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Human impact on the Carbon Cycle( cont.)
● CO2 global climate change● Global climate change -rise in sea level, changes in precipitation patterns,increase in wildfires, flooding, drought, heat waves, extinctions, agricultural changes● caused by/effects human population
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How can we reduce the human impact on the carbon cycle?
Recycle
Limit industrial use
Limit use of electricity
use environmentally friendly vehicles
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Does Carbon Cycle Travel Through the Atmosphere? YES!!!!
● Respiration and combustion (burning fossil fuels)
● Photosynthesis ● Cellular Respiration● Occurs in the
atmosphere, lithosphere, hydrosphere
● Air, soil, ocean● Food chain● Takes form of CO2
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Carbon Cycle Through the Atmosphere
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Carbon Cycle Through the Atmosphere
LITHOSPHERE● Carbon occurs in the
lithosphere in○ fossil form (natural gas,
oil, coal)○ sedimentary
rocks(limestone, dolomite● The amount of carbon in the
lithosphere: 66 to 100 million gigatons (a gigaton is one million metric tons)
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Carbon Cycle Through the AtmosphereHYDROSPHERE
Phytoplankton turns carbon into organic matter
● CO2 dissolves in the ocean to form hydrogen carbonate ions (HCO3
-)● When some water is
evaporated, the CO2 is released back into the atmosphere
● Some aquatic organisms use carbon as a key ingredient for their shells and skeletons
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Carbon Cycle Through the Atmosphere
SHELLS AND SKELETONS
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Carbon Cycle Through the Atmosphere
GLOBAL
SCALE
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Where is Carbon Cycle Naturally Fastest?
ATMOSPHERE!!
● F A S T E S T because during photosynthesis, plants absorb carbon dioxide and sunlight to create fuel—glucose and other sugars—for building plant structures
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Where is the Carbon cycle naturally the slowest?
THE LITHOSPHERE!
99.9% of carbon is tied up in carbonate rocks (found in lithosphere)SO..... this is the slowest
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