LIVING ORGANISMS & THE ENVIRONMENT

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Across
  1. 8. Movement of carbon through organisms and environment
  2. 9. Breaks down dead organisms and recycles nutrients
  3. 10. Relationship where one organism hunts another
  4. 13. Movement of water through environment
  5. 15. Position of an organism in a food chain
  6. 17. Process of releasing energy from food
  7. 19. Struggle between organisms for resources
  8. 20. Place where an organism lives
  9. 23. Close relationship between two different species
  10. 24. Variety of living organisms in an area
  11. 26. Interconnected food chains in an ecosystem
  12. 27. Protection and management of natural resources
  13. 28. Different populations living together
  14. 29. Role of an organism in its environment
  15. 30. Organism that eats other organisms
Down
  1. 1. Movement of nitrogen through organisms and environment
  2. 2. Feature that helps survival in an environment
  3. 3. Organism that makes its own food
  4. 4. Removal of trees from forests
  5. 5. Group of organisms of the same species in an area
  6. 6. Process where fertile land becomes desert
  7. 7. Natural change in communities over time
  8. 11. Study of organisms and their environment
  9. 12. Relationship where one benefits and the other is harmed
  10. 14. Relationship where both organisms benefit
  11. 16. Community of organisms plus their physical environment
  12. 18. Relationship where one benefits and the other is unaffected
  13. 21. Sequence showing who eats whom
  14. 22. Process plants use to make food
  15. 25. Introduction of harmful substances into the environment