Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Which of the following are examples of indicator species?

• A. Lichens
• B. Frogs
• C. River otters
• D. All of these

Answer 1

The correct option is D All of these

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Indicator species are very sensitive to the external environment.
Eg. lichens, frogs, river otters, corals etc.