sara's ecosystem review

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Across
  1. 2. something not living.
  2. 5. the hunter.
  3. 6. an animal being hunted.
  4. 7. the 3 stages ( pioneer, intermediate,climax )
  5. 9. oxygen
Down
  1. 1. water
  2. 3. stage the second stage of succession.
  3. 4. anything living.
  4. 8. carbon dioxide