1. Tardigrade
  2. Question
  3. Biology
  4. Primary productivity is A. is 10% less than secondary productivity. B. is the rate of formation of new organic matter by consumers. C. is expressed in terms of weight or energy. D. is the amount of biomass produced per unit area in a time period by plants during photosynthesis. Which of the statements given above are correct?

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Q. Primary productivity is
A. is 10% less than secondary productivity.
B. is the rate of formation of new organic matter by consumers.
C. is expressed in terms of weight or energy.
D. is the amount of biomass produced per unit area in a time period by plants during photosynthesis.
Which of the statements given above are correct?

Ecosystem

Solution:

The amount of biomass or organic matter produced per unit area over a time period in plants during photosynthesis is called primary production. It is expressed in the therms of weight (g-2) or energy (kcal m-2).