.Which of the following is common among mammals? (a) They undergo no moulting. (b) They have seven cervical vertebrae.(c) They are carnivores. (d) They have ventral nerve cord.

.Which of the following is common among
mammals?
(a) They undergo no moulting.
(b) They have seven cervical vertebrae.
(c) They are carnivores.
(d) They have ventral nerve cord.
by

1 Answer

Answer :

(a) They undergo no moulting.
by

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