Ponds Have Pondweeds Attached to the Bottom, Insect Larvae That

Multiple Choice

Ponds have pondweeds attached to the bottom, insect larvae that feed on the pondweeds, fish that eat the insects, and birds like great blue herons that eat the fish. In this ecosystem which of the following would have the largest total biomass (all individuals of the category) ?

A) large fish
B) small fish
C) insects
D) great blue herons