If a scientist wanted to determine if a forest environment had been polluted, which of the following groups of organisms typically would be the BEST indicator for the presence of pollutants?

Question

Quizplus · Accepted Answer

Amphibians are considered to be the best indicators of environmental health, including pollution, because they have permeable skin and rely on both aquatic and terrestrial environments, making them vulnerable to changes in both. They also have complex life cycles that can be impacted by environmental factors. In contrast, insects, mammals, birds, and fish may be sensitive to certain pollutants, but they are not as reliable indicators as amphibians.

If a Scientist Wanted to Determine If a Forest Environment