Air and water pollution are directly responsible for the loss of some species. In their studies of these pollution effects, biologists have determined that ________ are especially sensitive to air pollution, and are now being used as an index of urban air quality.

Question

Quizplus · Accepted Answer

Lichens are known to be highly sensitive to air pollution, particularly sulfur dioxide, and are often used as bioindicators to assess air quality in urban environments.

Air and Water Pollution Are Directly Responsible for the Loss