Answer
c.
Work Step by Step
With behavioral plasticity, an animal's behavior changes because of environmental factors. For example, when woolly bear caterpillars are preyed on by fly larvae, the caterpillars tend to eat foods rich in alkaloids when, normally, they avoid these types of foods. The foods rich in alkaloids are harmful to the caterpillars, but the foods are even more devastating to the parasitic fly larvae because alkaloids are toxic to the fly larvae.