Across
- 2. any animal hunted or caught for food
- 3. on, or relating to, the shore
- 4. the central stone, or most important living thing in an ecosystem
- 7. the weather in a location over a long period of time
- 10. any animal that lives by preying on other animals
- 12. being active during the night
- 14. two or more organisms who rely upon each other
- 16. living things interacting with their physical environment
- 18. lacking in water
- 19. a living or nonliving thing in danger of becoming extinct
- 20. to live at the same time or place
- 23. something that is, or relates to, living things
- 24. any form of water that falls to the earth
- 25. a living or nonliving being who intrudes
- 27. being active during the day
Down
- 1. the study of the earth's surface
- 5. when water particles heat up and rise into the air
- 6. an area on earth that receives less than 10 inches of rain per year
- 8. something that can be lived in
- 9. the process of plant growth
- 11. similar living beings who can interbreed
- 13. the removal of trees
- 15. native to or limited to a certain region
- 16. the imaginary line that separates the earth into north and south
- 17. the state of remaining alive
- 21. a gradual transformation of land into arid desert
- 22. something that is, or relates to, nonliving things
- 26. an ecological community with distinct climate and plant & animal life