Which statement best differentiates bioaccumulation from biomagnification?

• A. Bioaccumulation occurs only in plants; biomagnification occurs only in animals.
• B. Bioaccumulation means chemical metabolism increases; biomagnification means excretion increases.
• C. Bioaccumulation is the buildup of a chemical in an organism over time; biomagnification is the increasing concentration of a chemical as it moves up the food chain.
• D. Bioaccumulation and biomagnification are the same concept.

Answer: (C)