Across
- 2. Natural environment of species
- 4. Glacier debris
- 7. No longer existing
- 8. Area saturated with water
- 9. Community of organisms and environment
- 11. Variety of life in an area
- 13. Underground water storage
- 14. Frozen soil layer
- 17. Gas to liquid process
- 18. Water stored underground
- 22. Movement of water in environment
- 24. Water falling from atmosphere
- 25. Gradual change in ecosystem
Down
- 1. Liquid to gas process
- 3. Movement of carbon in environment
- 5. Organism's role in environment
- 6. Land turning into desert
- 10. Large naturally occurring community
- 12. Group of individuals in an area
- 15. At risk of extinction
- 16. Acidic wetland
- 19. Group of similar organisms
- 20. Type of wetland
- 21. Large ice mass
- 23. Movement of nitrogen in environment