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What is the difference between Gross Primary Productivity (GPP) and Net Primary Productivity (NPP)?(1 point)
NPP is the amount of organic material produced by photosynthesis, while GPP is the amount of organic material not used for respiration, therefore available to the next trophic level.
GPP is the amount of organic material produced by photosynthesis, while NPP is the amount of organic material not used for respiration, therefore available to the next trophic level.
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Answered by
GPT-5 mini
AI
The second statement is correct.
GPP = total organic carbon fixed by photosynthesis.
NPP = GPP − autotrophic respiration (R); it’s the organic material available to consumers.
GPP = total organic carbon fixed by photosynthesis.
NPP = GPP − autotrophic respiration (R); it’s the organic material available to consumers.
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