Question

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

Explanation:

Bioaccumulation refers to the accumulation of a toxic substance within the tissues of a single organism 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 is about accumulation in an individual organism, bioaccumulation is the correct term.

Answer:

Bioaccumulation