Across
- 2. part of a tree that has leaves
- 6. in the Red Book
- 7. nature with no plants, sand only
- 8. Dogs swing it when they are happy
- 10. destroy
- 11. types of animals
- 13. animals and plants
- 16. be alive
- 18. green thing that all trees have
Down
- 1. fish has it
- 3. typical part of a bird
- 4. spiders make it
- 5. use paper again
- 9. natural object that has falling water
- 12. dirty environment
- 14. it helps animals not to get cold
- 15. part of a flower
- 17. Animals use them to walk