Q.21 Species that can tolerate a narrow range of temperatures is called.

Ans. Stenothermal Organisms

Temperature, a major abiotic factor affects metabolism, activity and so many other physiological functions of the organism. On the basis of temperature tolerance, organisms can be classified as eurythermal and
stenothermal.

(i) Eurythermal organisms can tolerate and thrive in a wide range of temperatures.
(ii) Stenothermal organisms tolerate only a narrow range of temperatures