Question

Write any five difference between chondrichthyes and osteichtyes​

Answer 1

Answer:

chondrichthyes are cartilaginous fishes which have chondrin.

ostiechtysis are bony fishes which have osteocalcin.

Answer 2

Answer:

The main difference between Chondrichthyes and Osteichthyes is that the Chondrichthyes is the class of bony fish whose endoskeleton is made up of cartilages whereas Osteichthyes is the class of cartilaginous fish whose endoskeleton is made up of bones. Furthermore, Chondrichthyes can only be found in marine water while Osteichthyes can be found in both fresh and marine water.

Chondrichthyes and Osteichthyes are the two main groups of fish classified based on the composition of the endoskeleton.