Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

A

Mammalia : give birth to young ones

B

Reptilia : possess 3-chambered heart with one incompletely divided ventricle

C

Chordata : possess a mouth provided with an upper and a lower jaw

D

Chondrichthyes : possess cartilaginous endoskeleton

Answer:

The correct option is D. Chondrichthyes : possess cartilaginous endoskeleton

Note