The Ecosystem

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Across
  1. 1. Organism that recycles dead matter
  2. 6. Organism that makes its own food
  3. 8. Formation of glucose from carbon dioxide and water and the energy of the sun
  4. 9. Where an organism is found in an ecosystem
  5. 10. Species that is no longer living
  6. 11. Community of organisms and their environment
  7. 13. Organism that obtains its food from another organism
  8. 15. How many organisms are present in an ecosystem
  9. 16. Cooperative behaviour
  10. 17. Organism which obtains support but not nutrients from another organism
  11. 19. Characteristic that enables an organism to survive and reproduce in an environment
Down
  1. 2. Relationship in which one organism benefits and the other is unaffected
  2. 3. Organism which obtains nutrients from dead organic matter
  3. 4. Relationship in which one organism is harmed and the other benefits
  4. 5. Breakdown of glucose by reaction with oxygen and the formation of carbon dioxide and water
  5. 7. Relationship in which both organisms benefit
  6. 12. Close physical long-term relationship
  7. 14. Species facing a high risk of extinction
  8. 18. Small local environment