animal classification

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