Question

3 diference between aves and mammalia

Answer 1

1) aves lay eggs while mammals give birth to young ones
2) flight is possible for aves while not for mammals
3)aves have exoskeleton of feathers while mammals have exoskeleton of hair.

Answer 2

Aves —
1)they are warm blodded.
2)they lay eggs.
3)they have four chambered.
Mammalia —
1)mammalias have mammary glands for the production of Milk to nourish their young ones .
2)The skin has hairs as well as sweat oil glands.