Which of the following ecosystems has the hig | vedclass

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(D) Primary productivity is defined as the rate at which biomass is produced per unit area over a time period by plants during photosynthesis.Tropical

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Tropical rainforest

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(D) Primary productivity is defined as the rate at which biomass is produced per unit area over a time period by plants during photosynthesis.Tropical rainforests have the highest primary productivity among the given options because they receive abundant sunlight and rainfall throughout the year,which are optimal conditions for plant growth and high rates of photosynthesis.In contrast,deserts have very low productivity due to water scarcity,and temperate forests and grasslands have lower productivity compared to tropical rainforests due to seasonal limitations.

Column-$I$	Column-$II$
$(a)$ Gross Primary Productivity	$(1)$ $NPP$
$(b)$ Net Primary Productivity	$(2)$ $SP$
$(c)$ Secondary Productivity	$(3)$ $GPP$

Which of the following ecosystems has the highest primary productivity?

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