question_answer

                 Which one of the following group of animals is correctly matched with its characteristics feature without any exception?

A)  

Mammalia

give birth to young ones

B)  

Reptilia

possess 3 chambered heart with an incompletely divided ventricles

C)  

Chordata

possess a mouth with an upper and lower jaw

D)  

Chondrichthyes

possess cartilaginous Endoskeleton