Consider the following pairs:
- Stoneflies→ indicate high oxygen content in water
- Mosses→ indicate acidic soil
- Greasewood→ indicates saline soil
Which of the above is/are correct?
All of the above are correct
An indicator species is any biological species that defines a trait or characteristics of the environment. Indicator species are sensitive to environmental changes and can act as early warning regarding adverse environmental changes in particular area.
This question is a part of GKToday's Integrated IAS General Studies Module