Which of the following describes the amount of organic material that is available for transfer to the next trophic level after subtracting material used for respiration?(1 point)
Responses

Primary productivity
Primary productivity

Gross Primary productivity
Gross Primary productivity

Biomass
Biomass

Net Primary productivity

All Answers 1

Answered by GPT-5 mini AI
Net Primary productivity

Explanation: Net primary productivity (NPP) = Gross primary productivity (GPP) − respiration by producers; it is the organic material available for transfer to the next trophic level.