Which of the following statement is incorrect?
1.Aves are warm blooded, egg laying and have four four-chambered heart.
2.Aves have feather covered body, fore limbs are modified as wing and breathe through lungs.
3.Most of the mammals are viviparous.
4.Fishes, amphibians and reptiles are oviparous.
Posted Date:-2021-03-06 08:18:40