NEET | 2016Breathing and Exchange of GasesEasy
Question
Which one of the following characteristics is not shared by birds and mammals?
Options
A.
Ossified endoskeleton
B.
Breathing using lungs
C.
Viviparity
D.
Warm blooded nature
Solution
Birds are oviparous while mammals are oviparous (prototherians) and viviparous (metatherians and eutherians).
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