Unit 6 Ecology Crossword Puzzle

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Across
  1. 2. All members of one species living in a particular area.
  2. 3. the natural home or environment of an animal, plant, or other organism.
  3. 8. a group of living organisms consisting of similar individuals capable of breeding
  4. 10. meat eater
  5. 11. relationship between two organisms in which one benefits and the other is not harmed or helped
  6. 13. relationship between two organisms in which one organism benefits and one is harmed
  7. 15. the organism that does the killing
  8. 16. branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
  9. 17. organisms that ingest plant material or other animals that feed on plants, using the energy stored in this food to sustain themselves
  10. 19. something that is alive
  11. 21. group or association of populations of two or more different species occupying the same geographical area
  12. 22. biological community of interacting organisms
Down
  1. 1. anything that constrains a population's size and slows or stops it from growing
  2. 4. consists of all the food chains in a single ecosystem
  3. 5. an individual animal, plant, or single-celled life form.
  4. 6. the organism that is killed
  5. 7. feeds on the energy of decaying material or organisms
  6. 9. plant eater
  7. 12. something that is not alive
  8. 14. hierarchical series of organisms each dependent on the next as a source of food
  9. 15. organisms that make the food source for other organisms
  10. 18. relationship between two organisms in which both benefit
  11. 20. interaction between two different organisms living in close physical space