Question
Biology Question on Kingdom Animalia
Which one of the following characters is not typical of the class-Mammalia ?
A
Seven cervical vertebrae
B
Thecodont dentition
C
Ten pairs of cranial nerves
D
Alveolar lungs
Answer
Ten pairs of cranial nerves
Explanation
Solution
The presence of ten pairs of cranial nerves is unusual in mammals but typical in frogs. Mammals typically possess 12 pairs of cranial nerves.
So, the correct option is (C): Ten pairs of cranial nerves