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