Question

The secondary productivity means

• A. Rate of increase in the biomass of autotrophs
• B. Rate of increase in the biomass of heterotrophs
• C. The rate at which the organic molecules are formed in an autotroph
• D. The rate at which organic molecules are used up by an autotroph.

Answer 1

Answer: (B)

Correct answer is (b) Rate of increase in the biomass of heterotrophs