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SAT® Subject Test in Biology

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Moderate

Net Primary Productivity

SATBIO-YNFHGV

Net primary productivity is equal to

A

the amount of light energy converted to chemical energy by photosynthesis per unit time.

B

the amount of energy used by primary producers for respiration.

C

the amount of light energy converted to chemical energy by photosynthesis per unit time plus the amount of energy used by primary producers for respiration.

D

the amount of energy used by primary producers for respiration minus the amount of light energy converted to chemical energy by the primary producers.

E

the amount of light energy converted to chemical energy by photosynthesis per unit time minus the energy used by primary producers for respiration.