A) They do not moult
B) They have seven cervical vertebrae
C) They are carnivores
D) They have ventral nerve cord
Correct Answer: B
Solution :
All mammals are characterised by presence of seven cervical vertebrae mammary glands, hairs on body, presence of diaphragm, visceral gill clefts and dorsal nerve cord. All mammals are not carnivorous.You need to login to perform this action.
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