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Phosphate Ions Animals Plants Rocks Soil Weathering Cycle

Front phosphate cycle
Back phosphate ions in rocks released into soil by weathering
phosphate ions taken into plants through roots
phosphate ions are transferred through the food chain as animals eat the plants and are turn eaten by other animals
phosphate ions are lost from the animals in waste products
when the plants and animals die, sapriobionts are involved in the breaking down of the organic compounds releasing phosphate ions into soil
Weathering of rocks releases phosphate ions into lakes,seas and rivers which is taken up by aquatic producers

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