Environment & Ecology · Ecological Productivity
In the study of ecological efficiency, which of the following expressions correctly defines Net Primary Productivity (NPP), representing the actual energy available for primary consumers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The total amount of Photosynthetically Active Radiation captured by plants to sustain the living world
- 2The total living material present at a particular trophic level measured as dry mass per unit area
- 3The Gross Primary Productivity minus the energy utilized by primary producers for respiration✓
- 4The total amount of biomass or energy generated by primary producers through photosynthesis alone
Correct answer
The Gross Primary Productivity minus the energy utilized by primary producers for respiration
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