Question

Do all vertebrates have jaws?

Answer 1

Vertebrates

1. Vertebrates are organisms that have an internal backbone surrounded by vertebrae bone.
2. They have the hard skeleton of bone, which protects body tissues and muscles.
3. Agnatha division lacks jaw.
4. Jawless fish- Cyclostomata (Petromyzon, Myxine)
5. No, all vertebrates do not have a jaw.