Amount of organic matter stored by green plants in a unit time and area is called

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12.Ecosystem

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The amount of organic matter stored by green plants in a unit time and area is called

Productivity

Net primary productivity

Gross primary productivity

Primary productivity

Solution

Net primary productivity is the weight of the organic matter stored by the producers in a unit area/volume for unit time. It is given by $\mathrm{NPP}=\mathrm{GPP}-\mathrm{R}$ (Gross Primary Productivity) where, $R=$ Respiration losses. It is utilised by hetertrophs

Standard 12

Biology