Question

5. What is bio-indicator? How does it help
human beings?​

Answer 1

Answer:

A bioindicator is a living organism that gives us an idea of the health of an ecosystem. Some organisms are very sensitive to pollution in their environment, so if pollutants are present, the organism may change its morphologyphysiology or behaviour, or it could even die.

Explanation:

Answer 2

Answer:

What is bio-indicator?

A bioindicator is a living organism that gives us an idea of the health of an ecosystem. Some organisms are very sensitive to pollution in their environment, so if pollutants are present, the organism may change its morphology physiology or behaviour, or it could even die. One example of a bioindicator is lichens.

How does it help human beings?

Bioindicators are species, groups of species or biological communities whose presence, abundance and biological conditions, in real ecosystems or through the use of laboratory toxicity tests, to make inferences about the quality of the environment.