Aquatic Ecosystems

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