The increasing concentration of a chemical as it moves through the links in a food chain is called ________.

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Biological magnification, also known as biomagnification, refers to the increase in concentration of a chemical substance as it passes through each trophic level of a food chain. This occurs because the chemical is ingested and accumulated by the organisms at each level, resulting in higher concentrations in predators at the top of the chain. This process can result in harmful levels of toxins in top predators, including humans.

The Increasing Concentration of a Chemical as It Moves Through