Class - Aves | Mammalia

Aves || Mammalia

Aves and Mammalia

Discuss the general characters of the class Aves or Mammalia.

Class Mammalia

Class Mammalia

Dicondylic skull is characteristic feature of (a) Amphibia and mammalia (b) Aves and mammalia (c) Amphibia and reptilia (d) Reptilia and aves