Toxicants Occurring in Aquatic Ecosystems Are Highly Subjected to Biological

question 64

Multiple Choice

Toxicants occurring in aquatic ecosystems are highly subjected to biological magnification, meaning the

• A) pollutants take a long time to break down.
• B) pollutants occur in higher concentrations in tissues of organisms higher up the food chain.
• C) toxic chemicals specifically target primary producers, disrupting the entire food web.
• D) chemicals are converted to more toxic compounds once in the water.
• E) toxic chemicals accumulate in the upper (photic) zones of the water.

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