How is phosphorus transferred between soil and animals in box M?

Plants cannot use the phosphorus in the soil, so they die, and the phosphorus goes back into the soil
Consumers in the soil exhale phosphorus as a gas that is absorbed through the leaves of plants
Animals use the phosphorus in the soil for key nutrients
Plants use the phosphorus in the soil to grow and animals eat the plants to get the phosphorus

Plants use the phosphorus in the soil to grow and animals eat the plants to get the phosphorus.