Charlies Crossword

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Across
  1. 3. the best known marine ecosystems
  2. 4. wetlands without trees
  3. 5. the sharp temperature boundary
  4. 7. drought tolerant forests
  5. 9. Zonation occurs as vegetation types change rapidly as you go up a mountain
  6. 10. place with scarce tree cover
  7. 12. comprise the water column
  8. 16. cone-bearing
Down
  1. 1. shallow ecosystems
  2. 2. northern forests
  3. 6. occur on the bottom
  4. 7. occur where rainfall is abundant
  5. 8. wooded wetlands
  6. 11. losing leaves seasonally
  7. 13. broad types of biological communities
  8. 14. Forests found in the high mountains where fog and mist keep vegetation wet all the time
  9. 15. areas of saturated ground