The pyramid shown here can be the pyramid of _____

Options

A. Biomass in a forest
B. Energy in a grassland
C. Number in a pond
D. Biomass in a pond ecosystem

Explanation

The pyramid shown here is an inverted pyramid. Pyramid of energy can never be inverted. Number of producers (i.e., phytoplanktons) in a pond are always more than the consumers thus, pyramid of number in a pond cannot be inverted. In a forest, biomass of producers (i.e., tree) is large, so pyramid of biomass in a forest is also upright. Pyramid of biomass for pond ecosystem is inverted as biomass of a trophic level depends on reproductive potential and longevity of its members.