Vertebrates and Invertebrates

12345678910111213
Across
  1. 2. animal that uses it's skin and lungs
  2. 6. animals that feed on milk.
  3. 8. name of an echinoderm.
  4. 10. breathe.
  5. 11. animals with dry,scaly skin.
  6. 12. animals without a skeleton.
  7. 13. animals with gills.
Down
  1. 1. a mollusc with a shell.
  2. 3. animals with a skeleton.
  3. 4. name of an annelid.
  4. 5. animals with lots of legs.
  5. 7. animals that live in water and on
  6. 9. animals with feathers.