Select the correct statement Question 65 options: 1) GPP is the energy spent staying alive 2) GPP is the energy used in cellular respiration 3) GPP is part of NPP 4) NPP is the energy used in growth and reproduction

1) GPP is the energy spent staying alive

Explanation:

Gross primary productivity is the energy that is spent by the organism to staying alive because energy is required by the organism for doing activities that is necessary for the survival. Gross primary productivity refers as the rate at which solar energy is captured in sugar molecules during the process of  photosynthesis. Producers such as plants use some of this energy for metabolism and cellular respiration as well as some for growth and building tissues.

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the electromagnetic energy from the sun arrives in the form of visible and invisible light.