The biogeochemical cycle of phosphorus differs from the cycles of carbon and nitrogen in that
A) phosphorus lacks an atmospheric component.
B) phosphorus lacks a liquid phase.
C) only phosphorus is cycled through marine organisms.
D) living organisms do not need phosphorus.
E) The phosphorus cycle does not differ importantly from the carbon and nitrogen cycles.

Question

Quizplus · Accepted Answer

Phosphorus lacks an atmospheric component, unlike carbon and nitrogen which have gaseous phases that participate in their cycles (CO2 for carbon and N2 for nitrogen).

The Biogeochemical Cycle of Phosphorus Differs from the Cycles of Carbon