Aquatic Ecosystems

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