The given diagram shows a food chain. Which of the following represents a pyramid of biomass based on the given food chain?

Explanation

The given figure shows food chain in an aquatic ecosystem (pond). A pyramid of biomass is the graphic representation of biomass (total amount of living or organic matter in an ecosystem at any time) per unit area in different trophic levels. It is inverted in an aquatic ecosystem where the biomass of a trophic level depends upon reproductive potential and longevity of its members. Therefore, the biomass of organisms gradually increases at successive trophic levels from producers (aquatic plants) to top carnivores (large fish).