ECOLOGY
CHEMICAL CYCLES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the uptake of dissolved phosphates by aquatic plants
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the decomposition of plants and animals
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the weathering and breaking down of rocks into soil
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the uptake of minerals by the roots of terrestrial (land) plants
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Detailed explanation-1: -Over time, rain and weathering cause rocks to release phosphate ions and other minerals. This inorganic phosphate is then distributed in soils and water.
Detailed explanation-2: -Although the greatest single source of inorganic phosphorus is synthetic detergents, organic phosphorus is found in food and human waste as well.
Detailed explanation-3: -The two main sources of dietary phosphorus are organic, including animal and vegetarian proteins, and inorganic, mostly food preservatives. Animal-based foods and plant are abundant in organic phosphorus.
Detailed explanation-4: -Phosphorous can be transfered to other organisms when they consume the plants and algae. Animals either release phosphorous through urination or defecation, when they die and are broken down by bacteria. The organic phosphorous is released and converted back into inorganic phosphorous through decomposition.