Across
- 4. warm blooded animals that usually have hair and feed their young milk
- 8. the bony frame in the mouth that holds the teeth
- 10. no longer alive;died out completely
- 12. The framework of bones inside an animal
- 13. sharp curved nails on the end of animals foot
Down
- 1. an animal that does not have a backbone
- 2. the preserved remains or traces of a prehistoric plant or animal embedded in rock
- 3. an animal that eats only meat
- 5. tooth A pointed tooth used for tearing food
- 6. a large prehistoric animals that lived millions years ago
- 7. a low area of land between hills or mountains
- 9. very fierce:wild or aggressive
- 11. a large natural underground chamber in a hill side or cliff