Tag: streamlined

Introduction Animal inhabiting the aerial environment show many Volant (flying) adaptation for the aerial mode of existence. These animals are known as volant forms. Fishes,...

Introduction of Amphibians Amphibians are the first group among the chordates that live outside water. Several new features for terrestrial life also developed in amphibians....

Evolution is a process by which living things change over time and adapt to the conditions of their environment. It may be also defined as...

Tetra-four, podos-feet Primarily terrestrial, some are secondarily aquatic. Two pairs of pentadactyl limbs. Body covered by an exoskeleton of epidermal hair, feathers or scales. Lungs...