Which statement defines net primary productivity?
A)It is the rate at which producers use chemical energy through respiration.
B)It is the rate of photosynthesis plus the rate of respiration.
C)It is usually reported as the energy output of an area of producers over a given time.
D)It is the rate at which producers manufacture chemical energy through photosynthesis.

Question

Quizplus · Accepted Answer

Net primary productivity is the energy output of producers in an area over time, representing the energy available to consumers after accounting for the energy used in respiration.

Which Statement Defines Net Primary Productivity