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In an ecosystem the rate of production of organic matter during photosynthesis is termed
A
Net primary productivity
B
Gross primary productivity
C
Secondary productivity
D
Net productivity
Detailed Solution
Gross primary productivity is the rate of production of organic matter during photosynthesis per unit area per unit time.
Net primary productivity is GPP minus respiration losses; secondary productivity is the rate of formation of new organic matter by consumers.
Net primary productivity is GPP minus respiration losses; secondary productivity is the rate of formation of new organic matter by consumers.