Across
- 4. no back bone
- 6. born alive
- 7. aquatic vertebrates that are cold blooded covered in scales
- 8. ROUGH DRY SKIIN
- 9. warm blooded animal that lay eggs
- 10. animals that eat other animals
Down
- 1. can not control body temperature
- 2. animal with back bone
- 3. can control its body temperature
- 5. cold blooded creature with moist skin.