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The
phosphorus cycle
includes the following steps:
Phosphorus
in
fertilizer
, rocks, and mountains is distributed by rain to nearby land and bodies of water
Animals eat the plants grown by fertilizer. They expel the phosphorus as waste. It eventually reaches the water as runoff.
Phosphorus is cycled through animals that live in water. It is eventually deposited into the ocean floor.
Phosphates
contribute to the
sediment
at the bottom of the water. That sediment becomes rock
The ocean bed eventually becomes a mountain range over several millions of years because of normal geological functions
The phosphorus in those mountain ranges is washed off into bodies of water and the cycle begins again and again.
view more...
Nitrogen & Phosphorus Cycles: Always Recycle! Part 2 - Crash Course Ecology #9
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