True or false: Net primary productivity refers to all the energy in the plants and animals in a food chain at any particular time.

Question

Quizplus · Accepted Answer

Net primary productivity (NPP) refers to the amount of energy that is produced by plants through photosynthesis, minus the amount of energy that is used up by the plants themselves through cellular respiration. It does not necessarily include all the energy in the animals in a food chain, which may come from sources other than NPP.

True or False: Net Primary Productivity Refers to All the Energy