Animals

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Across
  1. 6. shape of birds that fly
  2. 9. another bird that can not fly
  3. 11. most aquatic animals breathe through this
  4. 12. animals without a backbone
  5. 16. bird that can not fly
  6. 17. example of an extinct flightless bird
  7. 18. feed on dead matter
  8. 19. animal that eats only plants
Down
  1. 1. animals with a backbone
  2. 2. animals which give birth to babies
  3. 3. animals that eat other animals
  4. 4. animals that have thick layer of hair just below their skin
  5. 5. mammals breathe through this
  6. 7. animals which live in water as well as land
  7. 8. animals that no longer exist
  8. 10. live on/inside other living things
  9. 13. animals on verge of extinction
  10. 14. animals that eat both plants and animals
  11. 15. animals which live mostly on trees