Aquatic Ecosystems

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Across
  1. 2. a body of water where saltwater from the ocean mixes with freshwater from rivers and streams
  2. 5. a small lake
  3. 7. A large stream of moving water that flows through the oceans
  4. 9. a water-based ecosystem
  5. 10. water that contains insignificant amounts of salts, as in rivers and lakes, streams, glaciers, etc.
  6. 11. A land area that is covered with a shallow layer of water during some or all of the year
Down
  1. 1. a large body of water surrounded by land on all sides
  2. 3. water containing at least 2.5 percent salt, found in seas and oceans
  3. 4. an area where land masses meet bodies of water
  4. 6. a channel through which water is continually flowing downhill
  5. 8. a large, flowing body of water that usually empties into a sea or ocean