Productivity at the second trophic level is always.

Options

A. greater than the productivity at the first trophic level
B. less than the productivity at the first trophic level
C. less than the productivity at the first trophic level
D. equal to the productivity at the first trophic level

Answer

B

Explanation

Productivity at second trophic level is always less than productivity at first trophic level. This because only 10 % of energy is transferred from one from one trophic level to another. Thus, decrease in energy would result in decrease in productivity.