CIA AQUATIC BIOLOGY

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Across
  1. 3. Lake with low productivity
  2. 4. Human made lakes are called
  3. 7. Estuary in which river output greatly exceed marine input
  4. 10. Lakes produced by wind action
  5. 13. Coral reef present in shore is……………reef
  6. 14. Bioluminescent organisms are majorly present in zone
  7. 16. Conversion of ammonium to nitrate
  8. 17. A free-living nitrogen fixing bacteria
  9. 18. Coral reef that extend around a lagoon without central island
  10. 19. Estuary formed by deepening of volcanos
Down
  1. 1. Ecosystem flooded by water either permanently or seasonally
  2. 2. Tidal inlet of the sea
  3. 5. Continental shelves are surrounded by ---------------sediments
  4. 6. Sulphur containing amino acid
  5. 8. Wetlands of forest
  6. 9. Conversion of organic phosphorus in to insoluble inorganic phosphorous
  7. 11. Wetland that accumulates peat
  8. 12. Lakes that are formed as a result of movement of earth crust
  9. 14. Detritus falling from above zones to bathypelagic zone
  10. 15. Still water ecosystem