Biology

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Across
  1. 3. starts with soil
  2. 5. home
  3. 6. the different amounts
  4. 12. not alive
  5. 13. starts from bare rock
  6. 14. non-native species
  7. 15. taking trees
Down
  1. 1. different alive species
  2. 2. taking too much
  3. 4. amount of life a place can support
  4. 7. home
  5. 8. alive
  6. 9. life form
  7. 10. amount
  8. 11. poison