Question

What are the difference between animals belonging to the Aves group and those in the mammalian group?

Answer 1

Answer:

1.in aves bones are light weighted.while in mammals bones are heavy weighted.

2.In aves mammary glands (milk producing glands) are absent.while in mammals mammary glands are present

Answer 2

Answer:

birds are belonging to aves group and mammals are belonging to mammalian group