Final answer:
Biomagnification is the process by which the concentration of a harmful substance increases in organisms as we move up the food chain.
Step-by-step explanation:
Biomagnification is the process by which the concentration of a harmful substance increases in organisms as we move up the food chain. It occurs when a chemical cannot be broken down by organisms and gets accumulated in their bodies over time. This phenomenon is not limited to mammals or specific ecosystems; it can happen in any food chain where there is the transfer of energy between trophic levels.
Learn more about Biomagnification