1
Question
The rate of formation of new organic matter by rabbit in a grassland, is called:
The rate of formation of new organic matter by rabbit in a grassland, is called:
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Solution
The correct option is B Secondary productivity
Secondary productivity is defined as the rate of formation of new organic matter by consumers. Since, rabbit is a consumer, the rate of formation of new organic matter by rabbit is secondary productivity.
Gross primary productivity of an ecosystem is the rate of production of organic matter during photosynthesis.
Gross primary productivity minus respiration losses, is the net primary productivity.
Net primary productivity is the available biomass for the consumption to heterotrophs (herbivores and decomposers).
Secondary productivity is defined as the rate of formation of new organic matter by consumers. Since, rabbit is a consumer, the rate of formation of new organic matter by rabbit is secondary productivity.
Gross primary productivity of an ecosystem is the rate of production of organic matter during photosynthesis.
Gross primary productivity minus respiration losses, is the net primary productivity.
Net primary productivity is the available biomass for the consumption to heterotrophs (herbivores and decomposers).
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