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Across
  1. 2. a biological community of interacting organisms and their physical environment.
  2. 4. Only eats plants
  3. 5. series of organisms each dependent on the next as a source of food.
  4. 7. an animal that feeds on dead organic material.
  5. 8. A non living thing
Down
  1. 1. an animal that is hunted and killed by another for food.
  2. 3. Only eats meat
  3. 6. a simple slow-growing plant that typically forms a low leaflike, or branching growth on rocks, walls, and tree/moss.