Final answer:
Adaptation is the term for the range of adaptations evolved by organisms that improve their survival when exposed to harmful chemicals.
Step-by-step explanation:
Adaptation is the term used to describe the range of adaptations evolved by organisms that improve their survival when exposed to potentially harmful or lethal chemicals.
Adaptations are heritable traits that help organisms survive and reproduce in their present environment, and they occur through the process of evolution by natural selection.
Examples of adaptations include webbed feet for swimming, thick fur for living in cold environments, and fast speed for catching prey.