In an ecosystem the rate of production of organic matter during photosynthesis is termed as
Correct answer: D. gross primary productivity.
- A. secondary productivity
- B. net productivity
- C. net primary productivity
- D. gross primary productivity.
Explanation
The amount of energy accumulation in green plants as biomass or organic matter per unit area over a time period is known as primary productivity. The rate of total capture of energy, or the rate of total production of organic material (biomass), is known as gross primary productivity.
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