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The Phosphorus Cycle

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Yaa Opoku-Agyeman

on 15 January 2013

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Transcript of The Phosphorus Cycle

The Phosphorus Cycle Vocabulary phosporus: a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms. It is also one of the six most common elements biological organisms are composed of.

organic phosphate: a salt or ester of a phosphoric acid

phosphorus cycle: The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.

atp: Adenosine triphosphate / adp: Adenosine diphosphate. Overview Phosphorus remains on the land in rock and soil minerals, and ocean sediments. As the rocks and sediments wear down phosphate is released and washes into rivers and streams where it dissolves. It eventually makes it to the ocean and is used by marine organisms. When plants absorb phosphate from soil or water the plants bind the phosphate into organic compounds. Organic phosphate then moves through the food web, from producers to consumers, and to the rest of the ecosystem. Visual Aid More Basic Two Community Relationships Commensalism: The animals and plants benefit from the phosphorus from the land. However, the land is not affected.

Symbiosis: The plants, the animals and other organisms are living together and all benefit from phosphorus. Biotic Factors Biotic Factors: the biological influences on organisms within an ecosystem.
-plants
-animals
-bacteria
-fish
-other living things Abiotic Factors abiotic factors: physical, or nonliving, factors that shape ecosystems
-climate (temperature, precipitation, and humidity)
-wind
-nutrient availability
-soil type
-sunlight The Cycle Continued The
Phosphorus
Cycle 1. Phosphorus remains in land, soil minerals, and ocean sediments. There, it is inorganic phosphate.
2.Rocks and sediments gradually wear down and phosphate is realeased.
3. On land, some of the phosphate washes into rivers and streams, where it dissolves. 4, The phosphate makes it to the oceans, where it is
used by marine organisms.
5.When plants absorb phosphate from the soil or from
water, the plants bind the phosphate into organic compounds.
5. Organic phosphate moves through the food web, from producers to consumers, and to the rest of the ecosystem. Sediments Ocean Land Plants Animals Fish Bacteria Cycle Connection Limiting Nutrient The phosphorus cycle is connected to the water cycle because just like water, phosphorus is essential to living organisms for them to survive. Also both of the cycles involve the constant recycling of substances. Current Event Limiting nutrient: When an ecosystem is limited by a single nutrient that is scarce or cycles slowly.

Example: Water is a limiting nutrient because it keeps plants, animals, and fish alive, which help the phosphorus cycle be completed. Phosporus is also a limiting nutrient because it cycles slowly and its cycle keeps the phosphorus cycle going and organisms alive. On August 16, 2012, a professor from Michigan University, named Steven Safferman, took part in removing phosphorus from waste water. This was a problem in lakes and streams across the United States because it made water unsuitable for recreational purposes. This phosphorus abundance was also reducing fish populations and causing growth of toxic algae. Due to the phosphorus cycle, this phosphorus ended up in the waste water. Citations Miller, K., & Levine, J. (2006). Biology. (Student ed., pp. 79-93). Upper Saddle River, New Jersey 07458: Pearson Education, Inc.

Safferman, S. (2006, August 16). Water: New method to remove phosphorus from wastewater . Retrieved from http://thesantosrepublic.com/2012/08/water-new-method-to-remove-phosphorus-from-wastewater/

What is atp?. (n.d.). Retrieved from http://www.sglearnonline.com/what-is-atp.html Importance of ATP and ADP Phosphate is a part of many molecules essential for life, including ATP and ADP. ATP and ADP are important in the storage and use of energy. They are also in the backbone of RNA and DNA, which are involved with the coding for genetics. Continued Ophardt, C. (2003). Phosphorus Cycle. Retrieved from http://www.elmhurst.edu/~chm/vchembook/308phosphorus.html By: Samantha Boucher, Samantha Moreau, Nicole Berthiaume, Nana Opoku, and Yuleny Ortiz Organisms
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