Across
- 2. the opposite of vertebrate
- 3. animals that have scales
- 5. animals that are cold blooded
- 9. not human
- 10. to be awake at night
- 13. a group
- 14. animals that have feathers
- 15. animals that have hair or fur
Down
- 1. animals that have rough skin
- 4. fish have this kind of skin
- 6. cord, another word for column
- 7. all animals belong to the animal ___
- 8. fish use these to breathe underwater
- 11. to separate into groups
- 12. below your head is your