Which of the following is NOT a characteristi | vedclass

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(D) The class $Mammalia$ is characterized by several unique features. $1$. Most mammals have $7$ cervical vertebrae (with few exceptions like sloths a

Vedclass · Accepted Answer

Ten pairs of cranial nerves

Vedclass · Answer

(D) The class $Mammalia$ is characterized by several unique features. $1$. Most mammals have $7$ cervical vertebrae (with few exceptions like sloths and manatees). $2$. They possess thecodont dentition,where teeth are embedded in sockets of the jaw bone. $3$. They have alveolar lungs for respiration. $4$. Mammals possess $12$ pairs of cranial nerves,not $10$. $10$ pairs of cranial nerves are a characteristic feature of fishes and amphibians. Therefore,the statement 'Ten pairs of cranial nerves' is incorrect for mammals.

Which of the following is $NOT$ a characteristic feature of the class $Mammalia$?

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