NEET | 2016Breathing and Exchange of GasesHard
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).
Create a free account to view solution
View Solution Free