Environment & Ecology · Environment
Which of the following statements about Net Primary Productivity (NPP) is/are correct? 1. NPP represents the total amount of energy fixed by autotrophs in an ecosystem through photosynthesis. 2. Tropical grasslands have the highest NPP among all terrestrial ecosystems. 3. Deserts and tundras have the lowest NPP due to harsh climatic conditions. Select the correct answer using the codes below:
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