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Question
The rate of storage of organic matter in producers in excess of their metabolic consumption is:
The rate of storage of organic matter in producers in excess of their metabolic consumption is:
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Solution
The correct option is D Net primary productivity
Net Primary Productivity is the amount of organic matter stored by plants per unit area, per unit time after meeting the cost of respiration and other metabolic requirements. It differs from Gross Primary Productivity as GPP is the total amount of organic matter synthesized by plants (photosynthesis) per unit area in unit time. Biomass is the total amount of living material in an ecosystem at a given time.
Net primary productivity
Net Primary Productivity is the amount of organic matter stored by plants per unit area, per unit time after meeting the cost of respiration and other metabolic requirements. It differs from Gross Primary Productivity as GPP is the total amount of organic matter synthesized by plants (photosynthesis) per unit area in unit time. Biomass is the total amount of living material in an ecosystem at a given time.
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