Aquatic Ecosystems

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Across
  1. 3. periodically under water or where soil contains a great deal of moisture
  2. 5. water from showers, sinks, and cleaners
  3. 8. organisms such as oyster
  4. 12. influences neap tides
  5. 14. capture and holding of water
  6. 15. shallow, light filled area near shorelines
  7. 16. dominant plant life in marshes
  8. 17. base of food web in all aquatic ecosystems
  9. 18. influences spring tides
  10. 19. primarily driven by earth's rotation
Down
  1. 1. biologically rich, protected area where river meets sea
  2. 2. area between high and low water mark on a shore
  3. 4. drives surface currents
  4. 6. shedding of water by leaves
  5. 7. a species whose survival has far reaching consequences in an ecosystem
  6. 9. presence or absence gives signs about health of an ecosystem
  7. 10. free swimming organisms like fish
  8. 11. driven by temperature and low pressure zones
  9. 13. main factor separating fresh and salt water