Question

What is the rate of increase in the biomass of heterotrophs per unit time and area called?

• A. Primary productivity
• B. Gross Primary Production
• C. Secondary productivity
• D. Net Primary Production

Answer 1

Answer:

C. Secondary productivity

• Secondary production refers to the net quantity of energy transferred and stored in the bodies of heterotrophs over a period of time.

• The rate of increase in the biomass of heterotrophs per unit time and area is called - Secondary productivity

• Secondary productivity serves as an index of significance of the population in terms of food resources available to the heterotrophic populations, including man, in the food chain.