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.
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17-Jan-2020 · 1 answer
Aves are oviparous. They have four chambered heart filled with warm blood, feather covered body, respiration by lungs and supplemented by air sacs and forelimbs modified into wings. Thus, the correct answer is option D.
Top answer
Many members of class Chondrichthyes and most of the mammals are viviparous and class Osteichthyes, Reptilia and Amphibia are oviparous. Aves are oviparous
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