Thick cuticle, sunken and scotoactive stomata, $CAM$ photosynthesis and conversion of leaves into spines are some of the important characters of

If there was no $CO_2$ in the earth’s atmosphere, the temperature of earth’s surface would be

Select incorrect statement

Which of the following ecological factor exerts a direct effect

Eurythermals are the organism which

People who have migrated from the planes to an area adjoining Rohtang Pass about six months back