Chapter 8 Crossword

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Across
  1. 1. the small microorganisms drifting and floating in the water
  2. 4. the area of shoreline between low and high tides
  3. 9. oceans, bays, estuaries, coral reefs, etc
  4. 12. puts excessive amounts of nutrients into lakes
  5. 13. large bodies of standing water, can be manmade or natural
  6. 14. the largest estuary in the United States
  7. 16. heavily nutrient filled lakes
  8. 17. the dark and very cold zone
  9. 19. the dimly lit middle zone
  10. 20. water systems that cover less than 2.2 percent of the earth's surface
  11. 21. abyssal zone organisms, such as sponges, oysters, and clams
Down
  1. 2. the open, sunlit surface layer away from the shore
  2. 3. a slow moving reptile enclosed in a scaly hard shell
  3. 5. the aquatic equivalents to biomes
  4. 6. “the other CO2 Problem”
  5. 7. measure of the relative clarity in water
  6. 8. lakes, rivers, streams, etc
  7. 10. surface water that flows into flowing systems, pollutant
  8. 11. excessive growth of algae
  9. 15. a singular and a continuous body of water
  10. 18. freshwater that flows/stored in bodies of water on the earth's surface