How does phosphorus normally enter ecosystems?
A) as a product from cellular respiration
B) as a product from photosynthesis
C) from rock weathering
D) as atmospheric phosphorus gas

Question

Quizplus · Accepted Answer

Phosphorus normally enters ecosystems through rock weathering. It is released into the soil as phosphate ions, which can be taken up by plants and incorporated into organic compounds.

How Does Phosphorus Normally Enter Ecosystems