What is a distinctive feature of the chondrichthyans?
A)an amniotic egg
B)unpaired fins
C)an acute sense of vision that includes the ability to distinguish colors
D)a mostly cartilaginous endoskeleton
E)lack of jaws

Question

Quizplus · Accepted Answer

Chondrichthyans have a mostly cartilaginous endoskeleton, which is a distinctive feature compared to other fish groups that have bony skeletons.

What Is a Distinctive Feature of the Chondrichthyans