Aquatic Ecosystems

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Across
  1. 2. rivers keep coming
  2. 5. high tides and low tides
  3. 10. soil as a filter
  4. 11. high levels of salt
  5. 13. living interacting with environment
  6. 14. deep, deep in darkness
Down
  1. 1. surface of the sea floor
  2. 3. only 3% of water in the world
  3. 4. fresh meets salty
  4. 6. water ecosystem
  5. 7. vary in size
  6. 8. one direction
  7. 9. shallow with sunlight
  8. 12. shines bright for photosynthesis