Across
- 1. treeless Arctic region
- 4. 7 main ones
- 5. swampy forest
- 7. marine mammal
- 12. legless reptile
- 13. mostly in Africa
- 16. type of reptile
- 18. barren area with little rain
- 21. type of fish
- 22. type of amphibian
- 23. large open area, good for grazing
Down
- 2. tropical ________
- 3. like a mushroom
- 6. fauna
- 8. large body of water
- 9. having a backbone
- 10. natural environment for living organisms
- 11. lots in Abu Dhabi
- 14. _____ chain
- 15. "ship of the desert"
- 17. what plants and animals do to survive
- 19. community of organisms and their environment
- 20. flora
- 22. predatory bird