Ecosystem Review

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Across
  1. 2. tree sheds annually
  2. 5. same living things
  3. 8. dense with trees
  4. 9. place where things live
  5. 10. three stages (pioneer, intermediate, climax)
  6. 12. using a compass or GPS
  7. 14. affects everything in an area
  8. 16. relating to water
  9. 18. community of organisms
  10. 20. oxygen
  11. 21. open land
  12. 22. cone producing tree
Down
  1. 1. interact and live with each other
  2. 3. easy to see
  3. 4. living things
  4. 5. green plants make food
  5. 6. the hunted
  6. 7. non-living
  7. 11. water
  8. 13. the hunter
  9. 15. study of living and nonliving things
  10. 17. carbon dioxide
  11. 19. role we play