Owen-ecostystems and classification

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Across
  1. 3. the study of living organisms
  2. 5. one organism benefits and one is harmed
  3. 6. the place where an organism lives
  4. 8. one organism benefits and other is not harmed
  5. 13. the surroundings and conditions an organism lives in
  6. 15. consumes both meat and plants
  7. 16. consumes only plants
  8. 17. an organism that is hunted for food
  9. 18. preying on another animal
  10. 19. living features of an environment
Down
  1. 1. non-living features of an environment
  2. 2. an organism that preys on other organisms
  3. 4. consumption of own species
  4. 7. the study of organisms interactions
  5. 9. both organisms benefit
  6. 10. produces own body heat
  7. 11. consumes insects
  8. 12. consumes only meat
  9. 14. relies on outside sources for body heat