Water Crossword

1234567891011121314151617181920212223
Across
  1. 2. Not using oxygen
  2. 3. Areas of saturated ground which is usually composed of peat
  3. 7. Wooded wetlands, wetlands with trees
  4. 9. Single-celled protists
  5. 12. Low, narrow islands that form parallel to a coastline
  6. 14. The sunlit layer of the ocean where photosynthesis can occur
  7. 16. Similar to bogs, but fed by groundwater instead of precipitation
  8. 17. A special variety of trees that grow in salt water
  9. 18. This cycle describes the path of water through the environment
  10. 19. A group that includes crabs and shrimps
  11. 20. The deepest zone in an ocean
  12. 21. A sharp temperate boundary in water
  13. 22. The bottom of a body of water
  14. 23. Name of the submarine that discovered deep-sea thermal vents in 1977
Down
  1. 1. Dead marine organisms sinking toward the ocean floor
  2. 4. Key producers in marine ecosystems
  3. 5. A body that contains large amounts of water
  4. 6. Corals expel algae and die in this process
  5. 8. Another name for the thermocline
  6. 10. Bays where rivers empty into the sea
  7. 11. This ecosystem occupies less than 5% of US lands but is essential for biodiversity
  8. 13. Wetlands without trees
  9. 15. Moderately salty
  10. 21. A depression in a rocky shoreline that floods at high tide and retains water at low tide