What is an explanation of why producers are always found at the lowest trophic level? a) producers are larger than consumers. b) consumers are eaten by a variety of producers. c) producers convert light energy into chemical energy. d) producers are found in fewer numbers than consumers.

a.) a destruction fo cells by viral reproduction

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.