Question

The rate of formation of new organic matter by deer in a forest ecosystem is called

• A. Primary productivity
• B. Secondary productivity
• C. Standing crop
• D. Net primary productivity

Answer 1

Answer: (B)

Secondary productivity

• Primary productivity is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances.
• The rate at which the consumers convert the chemical energy of their food into their own biomass is called secondary productivity.
• A standing crop is the total dried biomass of the living organisms present in a given environment.
• Net primary production is the rate at which all the plants in an ecosystem produce net useful chemical energy.
• Thus, the correct answer is option B.