In many freshwater toxicology studies,investigators rely upon knowledge of biomagnification to guide their investigations.If the researchers were looking for evidence of mercury contamination from a nearby power plant,they would most likely find the highest levels in the blood of

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Mercury is known to biomagnify in aquatic food webs, meaning that organisms at higher trophic levels will accumulate higher concentrations of the toxin than organisms lower in the food chain. Snapping turtles are predators and occupy a higher trophic level than the other options listed, making them more likely to have higher levels of mercury in their blood if there is contamination in the water.

In Many Freshwater Toxicology Studies,investigators Rely Upon Knowledge of Biomagnification