vocab words

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Across
  1. 2. a large naturally occurring community
  2. 4. Something that breaks down something else
  3. 9. a change that you make over time
  4. 12. of having normal physical functions suspended or slowed down for
  5. 13. anything that constrains a population's size and slows or stops it from growing.
  6. 14. something that hunts for its food
  7. 15. The amount of something that there is
  8. 17. The position an animal has in the food chain
  9. 18. the state of having normal physical functions suspended or slowed down for a period of time; deep sleep.
  10. 19. environment when things interact
  11. 20. something that causes an action
Down
  1. 1. non-living
  2. 3. Tells you the trophic levels
  3. 5. a living thing is called a____________
  4. 6. something that eats something else
  5. 7. direction of the flow of energy
  6. 8. a substance inside of plants that makes them green
  7. 10. living
  8. 11. An ecosystem's neighborhood
  9. 16. a thing that makes their own food (autotrophs)