Question
Biology Question on Kingdom Animalia
Which one of the following characteristics is not shared by birds and mammals?
A
Breathing using lungs
B
Viviparity
C
Warm blooded nature
D
Ossified endoskeleton
Answer
Viviparity
Explanation
Solution
Birds are always oviparous where as prototherian mammals are oviparous while rest of the mammals are viviparous.