Description : 17.This act as bioindicator of air pollution (a)Alga (b)Lichen (c)Pinus (d)Mustard
Last Answer : ANS.(B) Lichen
Description : What is a bioindicator?
Last Answer : A bioindicator is a species or group of species that is used to monitor the health of an ecosystem, and is an important concept in environmental science and conservation biology.
Description : If there were higher species, can humans be viewed as bioindicator species?
Last Answer : If you mean other species that would be regarded as more intelligent with a much more developed brain than the human species which I think there aren't but let's assume, then maybe ... degradation. Humans wherever they are found always alter the state of the environment to suit themselves.