Across
- 2. they have wings and beaks
- 4. they have 4 paws, fur and drink milk
- 6. you see in turtles
- 9. cover the body of fishes and reptiles
- 11. they have moist skin, live in the water and after, earth
- 13. birds and bats have them
- 14. cover the body of mammals
Down
- 1. cuts in the skin where fishes can breathe
- 3. the arms and legas of the animals
- 5. long nails of some animals
- 7. the mouth of the birds
- 8. they have scales, 4 paws and live in earth
- 10. cover the body of birds
- 12. they have sclaes and breath through gills