Question

comparison between chondrichthyses and osteichthyses

​

Answer 1

Answer:

the differences are

Explanation:

chondrichthyes are cartilaginous fishes while osteichthyes are bony fishes.

chondrichthyes have internal fertilization while osteichthyes have external.

chondrichthyes are viviparous while obstacles are oviparous.

chondrichthyes do not have air bladder while osteichthyes have.

chondrichthyes have placoid scales while osteichthyes have cycloid/ ctenoid scales