which one of the following characteristics is not shared by birds and mammals first breathing using lump b v parity warm blooded nature Di ossified endoskeleton
Answer (1)
Student Expert
22nd Nov, 2019
Dear Aishwarya, from the above given 4 options, option (B) i.e. VIVIPARITY is correct one. Since birds are oviparous while mammals are oviparous (prototherians) and viviparous (metatherians and eutherians) so option B is the correct among the others.
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