The Phosphorus Cycle Questions and Answers 100% Pass
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The Phosphorus Cycle
Institution
The Phosphorus Cycle
The Phosphorus Cycle Questions and
Answers 100% Pass
What is the phosphorus cycle?
The phosphorus cycle is the biogeochemical process by which phosphorus moves through
the lithosphere, hydrosphere, and biosphere, involving the weathering of rocks, uptake by plants,
and movement through the...
The Phosphorus Cycle Questions and
Answers 100% Pass
What is the phosphorus cycle?
✔✔The phosphorus cycle is the biogeochemical process by which phosphorus moves through
the lithosphere, hydrosphere, and biosphere, involving the weathering of rocks, uptake by plants,
and movement through the food chain.
Where is most phosphorus found in the environment?
✔✔Most phosphorus is found in rocks and sediments, where it is released through the process of
weathering.
How does phosphorus enter the soil and water systems?
✔✔Phosphorus enters the soil and water systems through the weathering of rocks, where it
dissolves in water and is absorbed by plants.
Why is phosphorus important for living organisms?
✔✔Phosphorus is important for living organisms because it is a key component of DNA, RNA,
ATP (energy molecules), and cell membranes.
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, What role do plants play in the phosphorus cycle?
✔✔Plants absorb phosphorus from the soil, using it for growth and development. When plants
are consumed, phosphorus is passed on through the food chain.
How do animals obtain phosphorus?
✔✔Animals obtain phosphorus by consuming plants or other animals that have consumed
phosphorus-containing organisms.
What happens to phosphorus when plants and animals die?
✔✔When plants and animals die, decomposers break down their organic material, returning
phosphorus to the soil for reuse by plants.
How does phosphorus return to the ocean?
✔✔Phosphorus can return to the ocean through runoff from soils, where it may accumulate in
marine sediments.
Why is phosphorus considered a limiting nutrient in many ecosystems?
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