Across
- 2. thing that lives in mothers pouch
- 4. living craetures in the sea
- 7. animals that fly
- 8. dos'nt have a backbone
- 11. a living thing
- 14. has a backbone
Down
- 1. land and sea animal
- 3. used instead of a backbone
- 5. backbone for vertebrates
- 6. warm blooded animals
- 9. skeleton on the outside
- 10. skeleton on the outside
- 12. support for vertebrates
- 13. cold blooded animal with scales