Gross Primary Productivity (GPP) Is the Rate at Which

Multiple Choice

Gross primary productivity (GPP) is the rate at which

A) producers convert solar energy into chemical energy through photosynthesis.
B) producers use chemical energy through aerobic respiration.
C) producers manufacture chemical energy minus energy used through respiration.
D) chemical energy is transferred from one trophic level to the next.
E) consumers use chemical energy through respiration.