Net Primary Production (NPP) Is the Amount of

Multiple Choice

Net primary production (NPP) is the amount of

A) heat lost through respiration, minus the energy gained by photosynthesis or other means.
B) energy that producers fix by photosynthesis or other means, minus the amount lost as heat in cellular respiration.
C) energy gained through consumption, minus the amount lost as heat in cellular respiration.
D) energy that producers fix by photosynthesis or other means, minus the amount lost through death of tissue.