When the pesticide, ddt, was heavily used plants would absorb the residues that washed off into the waterways. small fish consumed these plants and medium fish would consume the small fish. even larger fish would consume the medium fish and bald eagles would consume these large fish in significant quantities. a chemical in the ddt interfered with the process of making strong eggshells. as a result, the bald eagle population declined drastically. this is an example of