When the pesticide, ddt, was heavily used plants would absorb the residues that washed off into the waterways. small fish consum
ed 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 __________________________?
The answer is bioaccumulation. Bioaccumulation is when toxins build up in a food chain. The animals at the top of the food chain are affected most severely because the concentration of toxin becomes most concentrated in the body tissues of the animals at the top of the food chain.
The answer is a variable is what is measured or manipulated in an experiment. A dependent variable is what you measure in the experiment and what is affected during the experiment.