Animal Classification for Kids

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Across
  1. 1. mammals
  2. 5. lungs
  3. 7. underwater
  4. 10. gills
  5. 11. reptiles
  6. 13. skin
  7. 14. amphibians
Down
  1. 2. milk
  2. 3. land
  3. 4. fins
  4. 6. scales
  5. 8. eggs
  6. 9. birds
  7. 12. fish