Ecosystems Vocab

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Across
  1. 2. the circumstances, objects, or conditions by which one is surrounded
  2. 3. an organism that eats another organism
  3. 5. relating to or resulting from living things
  4. 9. All organisms in an ecosystem depend upon each other
Down
  1. 1. physical rather than biological; not derived from living organisms
  2. 4. a biological community of interacting organisms and their physical environment
  3. 6. involving interaction between two different organisms living in close physical association
  4. 7. an individual animal, plant, or single-celled life form
  5. 8. an organism that is hunted and killed by another organism