Question

what term is used to describe the accumulation of a toxic chemical in the tissues of an individual organism? bioaccumulation biomagnification

Explanation:

To determine the correct term, we analyze the definitions: Bioaccumulation refers to the accumulation of a toxic substance within an individual organism's tissues over time. Biomagnification, on the other hand, involves the increase in concentration of a toxic substance as it moves up the food chain (across different organisms). Since the question specifies the accumulation in an individual organism, the correct term is Bioaccumulation.

Answer:

A. Bioaccumulation