The best source of energy in the environment is

Keolado national park is situated at ______ and is famous for ______.

A lizard-like member of reptila is sitting on a tree with its tail coiled around a twig. This animal could be

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

They are dominant plants of the cold desert

Biological concept of species is mainly based on