This document discusses the five main groups of vertebrate animals - amphibians, reptiles, fish, birds, and mammals. It then provides examples of the skeletons of different vertebrates within these groups, including frogs, snakes, lizards, birds, fish, humans, bats, dogs, and dolphins. X-rays are also shown of vertebrate skeletons like rats, lizards, frogs, fish, and the human spine. The document was created by World of Teaching as a free educational resource for teachers.

1. Vertebrates Animals with backbones

3. Frog - skeleton

4. Snake - skeleton

5. Lizard - skeleton

6. Bird - skeleton

7. Fish - skeleton

8. Human skeleton

9. Bat - skeleton

10. Dog - skeleton

11. Dolphin - skeleton

12. Dinosaur – fossil skeleton

13. X – ray of rat

14. X-ray of lizard

15. X-ray - Frog

16. X-ray of human spine

17. X-ray of fish

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