Question

What is the rate of production of new organic matter by heterotrophic organisms (consumers) called?

(a) Gross primary productivity

(b) Net primary productivity

(c) Secondary productivity

(d) Primary productivity

I got this question in an international level competition.

My question is from Ecosystem in portion Ecosystem of Biology – Class 12

Answer 1

The correct option is (c) Secondary productivity

To explain: The rate of production of new organic matter by heterotrophic organisms (consumers) is called secondary productivity. The secondary producers feed on primary consumers to fulfill their energy requirements.