APES: The Phosphorus Cycle

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8 Terms

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Weathering and Erosion

Rocks or soil are broken down, transporting phosphorus across land or into water

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Excretion

Animal waste returns organic phosphorus to the soil

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Phosphoric Mining

Removal of phosphates from underground rocks for fertilizers

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Absorption and Assimilation

Plants absorb phosphates through their roots & incorporate phosphorous into plant tissue.

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Decomposition

Organic material breaks down, returning organic phosphorus to the soil

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Geologic Uplift

Exposing underground rocks to the surface allowing weathering & erosion

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Ingestion

Animals eat plants and other organic materials containing phosphates

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Burial and Compaction

Organisms are compacted into sediments to form rock