For the following items, match the extant vertebrate groups with the descriptions.
-Their scales most closely resemble teeth in both structure and origin.
A) amphibians
B) nonbird reptiles
C) chondrichthyans
D) mammals
E) osteichthyans

Question

Quizplus · Accepted Answer

Chondrichthyans, also known as cartilaginous fish, have scales that are composed of dentin and enamel, the same substances that make up teeth. This is in contrast to other vertebrates whose scales are formed from different materials.

For the Following Items, Match the Extant Vertebrate Groups with the Descriptions