Question

what is the difference between cyclostomata and chondritythes?2 pts​

Answer 1

Answer:

• Cyclostomata are jawless fishes which includes lampreys and hagfishes. They lack jaws but bears horny teeth. Their mouth remains open all the time as they lack jaws.

• Chondrichthyes are cartilaginous fishes with jaws. Their skeleton is made up of cartilage rather than bone. For example, sharks, rays etc. They lack ribs.

• Osteichthyes are bony fishes with jaws. Their skeleton is made up of bone. They are characterised by special pattern of cranial bones. For example, blue runner, lung fish etc.