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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?
Gross Primary productivity
Primary productivity
Net Primary productivity
Biomass
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GPT-5 mini
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Net Primary Productivity.
Explanation: Gross primary productivity (GPP) is total photosynthetic production. Net primary productivity (NPP) = GPP − respiration (R) and represents the organic matter available to consumers (the next trophic level).
Explanation: Gross primary productivity (GPP) is total photosynthetic production. Net primary productivity (NPP) = GPP − respiration (R) and represents the organic matter available to consumers (the next trophic level).
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