Ecology

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Across
  1. 3. where an organism resides at
  2. 4. an organism that consumes its food from other sources
  3. 5. Dead factors
  4. 6. eats plant and animals
  5. 8. organism that makes dead material its food
  6. 9. organism that a parasite uses
  7. 12. all organisms interacting on a planet
  8. 13. plant eater
  9. 17. how many individuals there are
  10. 19. organisms that make their own food
  11. 20. the levels of an ecosystem
  12. 21. breaks down dead organisms for food
  13. 23. a large area where individuals interact with one another
Down
  1. 1. a graph of food for a community
  2. 2. living factors
  3. 3. organism that eats other organisms for food
  4. 4. a group of individuals in an area
  5. 7. Uses another organism as a host for nutrients that harms them
  6. 10. gets food from other organisms scraps
  7. 11. hunts other organisms
  8. 14. an individual
  9. 15. meat eater
  10. 16. the chain of food from one organism to another
  11. 18. gets hunted by other organisms
  12. 22. The study of lifeforms interacting