Ecosystem

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Across
  1. 3. an organism, typically a herbivore, that feeds directly on producers (plants or algae) for energy.
  2. 4. a hierarchical series of organisms each dependent on the next as a source of food.
  3. 6. an organism that creates its own food from inorganic substances
  4. 11. the maximum population size an environment can sustainably support indefinitely.
  5. 12. an individual animal, plant, or single-celled life form.
  6. 14. all the living or once-living components within an ecosystem that affect other organisms and the environment.
  7. 16. grass.
Down
  1. 1. chicken salad.
  2. 2. the surroundings or conditions in which a person, animal, or plant lives or operates.
  3. 5. the non-living chemical and physical components of an ecosystem.
  4. 7. any resource or condition that restricts the growth, abundance, or distribution of a population or system.
  5. 8. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
  6. 9. the activity or condition of competing.
  7. 10. a biological community of interacting organisms and their physical environment.
  8. 11. steak.
  9. 13. all the inhabitants of a particular town, area, or country.
  10. 15. a system of interlocking and interdependent food chains.