CHAPTER 8: Aquatic Biodiversity

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Across
  1. 1. One of the main problem of our environment
  2. 4. forms a large reef in sea
  3. 8. zone shoreline between low tide and high tide
  4. 9. tide the highest point of water
  5. 12. excessive nutrients into the lake
  6. 14. tree that acts as barrier in coastal area
  7. 17. low salinity water level
  8. 19. tide the lowest point of water level
  9. 20. composed of 2 hydrogen and 1 oxygen
  10. 21. high salinity water; other term for marine water
  11. 22. zone interface between the land and water
  12. 23. variety
  13. 24. large natural bodies of standing low salinity water in earth’s surface
Down
  1. 1. the deepest part of lakes where photosynthesis doesn’t occur
  2. 2. Top layer of freshwater lakes
  3. 3. Strongly swimming organism
  4. 5. open sunlight surface layer
  5. 6. clouded by algal bloom
  6. 7. organism that breakdown organic compound
  7. 10. sea huge volume of saltwater
  8. 11. bottom dweller
  9. 13. weakly swimming and free-floating organism
  10. 15. when river meets the sea
  11. 16. planet were we live
  12. 18. drainage basin