Question 22
Directions: The diagram below models part of the phosphorus cycle. Use the diagram to answer any questions that follow.
Phosphorus in animals
M
N
Phosphorus in soil
Phosphorus in silt at the bottom of bodies of water
Phosphorus trapped in uplifted solid rock
How is phosphorus transferred between animals and soil at N?
Oa Consumers exhale it as a gas that is fixed by bacteria in the soil.
Ob When heavy winds blow, it is eroded off of living things.
Oc Decomposers break it down from wastes and dead animals.
Od When animals move, it is released into the soil