Question

What are the differences between animals belonging to the aves group and those in the mammalia group

Answer 1

1. in aves forelimbs are modified into wings for flight while in mammals it is adapted for walking,running,climbing,etc.

2. aves excrete uric acid and mammals excrete urea.

3. aves have hollow bones(pneumatic bones) which are absent in mammals.

3. aves are oviparous while mammals are viviparous

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