Ecology Puzzle

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Across
  1. 5. An organism that can make it's own energy.
  2. 9. An organism that eats complex organic matter (food).
  3. 10. A system of interlocking food chains.
  4. 11. An organism that eats meat.
  5. 13. An organism that breaks down dead matter
  6. 14. Inorganic factors in an environment.
  7. 17. An organism that requires other organisms for sustenance.
  8. 19. A living thing.
  9. 20. The organism that a parasite lives off of.
  10. 21. An organism that eats both plants and meat.
  11. 22. A group of animals or plants.
Down
  1. 1. The region on Earth where life exists.
  2. 2. An organism that hunts other organisms
  3. 3. A biological network of different animals and plants.
  4. 4. An organism that eats already dead organisms
  5. 6. An organism that is hunted by other organisms
  6. 7. Organic factors in an environment.
  7. 8. Another name for photosynthesizing organisms.
  8. 10. A series of organisms that eat one another so that energy and nutrients flow from one to the next.
  9. 12. Many groups of different animals and/or plants.
  10. 15. The levels of energy that organisms gain depending on their way of eating.
  11. 16. A form of biology.
  12. 18. The environment in which a group of animals and plants live.
  13. 20. An organism that eats plants.
  14. 22. When an organism lives off of another organism.