What is PHOSPHORUS? Second most abundant mineral in the body DNA molecules Nucleic acids “ATP”...
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Transcript of What is PHOSPHORUS? Second most abundant mineral in the body DNA molecules Nucleic acids “ATP”...
![Page 1: What is PHOSPHORUS? Second most abundant mineral in the body DNA molecules Nucleic acids “ATP” and “ADP” Fats/Phospholipids Bones, teeth and shells.](https://reader035.fdocuments.net/reader035/viewer/2022062621/551c0a4d550346ad4f8b5089/html5/thumbnails/1.jpg)
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What is PHOSPHORUS?
• Second most abundant mineral in the body
• DNA molecules• Nucleic acids “ATP”
and “ADP”• Fats/Phospholipids • Bones, teeth and shells• Energy and impulses
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What is the Phosphorus Cycle?• Circulation of phosphorus among rocks,
soil, water, plants, and animals of earth.• a sedimentary cycle.• phosphate deposits on land and shallow
water living organisms slowly back to land and ocean.
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Phosphorus in Land and Ocean Sediments
• Phosphate salts contain phosphate ions• PO is a subscript for PO4
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• Weathering of phosphate rocksoil, which plants absorbeaten by humans and other animalsre-enters soil from bacteria in dead body of human/animalwashed from soil back into sea.
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Phosphorus Cycle Diagrams
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More Diagrams (woohoo!)
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Human Effect…PART 1
• Mining of phosphate rock for inorganic fertilizers and detergents .
• Causes pollution.• Expensive to reclaim.
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Human Effects…PART 2!
• Decreasing productivity of tropical forests by cutting them
• Phosphorus and other nutrients washed away by heavy rains
• Land becomes unproductive
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Human Effects…PART 3!!
• Over fertilization of bodies of water.
• Explosive growth of cyanobacteria algae, and aquatic plants.
• Rooted plants on bottom die because of no sunlight
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Eutrophication in Wisconsin
• Because of fertilizer overuse in Lake Mendota, the lake is becoming a eutrophic lake.
• Eutrophic- concentrations of excess nutrients in water causes a lot of algae.
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Mendota Continued...• Eutrophication causes
green blanketing of water.
• Suffocates life, diminishes biodiversity and emits noxious odors.
• Example: In Mendota, killed native species and increased non-native species (Eurasian milfoil and carp).
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Bibliography1. Bennett, Elena and Steve R. Carpentar. “P
Soup”. World Watch, 2002.
2. Miller, G. Tyler, Jr. Living in the
Environment: Principles Connections, and Solutions. Pacific Grove: Brooks/Cole
Publishing Company, 2000.
3. Reiners, William A. “Phosphorus Cycle”.
World Book Encyclopedia. Chicago:
World Book, 2002.