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Open SeaChez Nicole DullanoAlexandria Rabanes
The world ocean covers over 360 million km2 of   the earth’s surface and consists of one continuous,   interconnected mass...
Distinguishing Characteristics:Salinity                                 WavesTides                                 DepthVa...
Benthic       PelagicHabitats on                These arethe bottom    those found   of the         on theocean, and      ...
Structure                    The oceans can be divided                      into several vertical and•Littoral or         ...
The ocean is generally divided vertically into        Bathypelagic  several depth zones              Zone                 ...
Abyssal         Hadal  Zone            Zone                This is  It is thelayer from     where the                deepe...
Abiotic Factors•   Temperature•   Light•   Pressure•   Oxygen•   Salinity•   Water movement•   Visibility
Phytoplanktons
Zooplanktons
Nanoplanktons
Nekton
Benthic organisms
Oil spills
Chronic pollution
Human occupancy and recreational useof the shores
Over fishing
Dumping grounds
Open sea
Open sea
Open sea
Open sea
Open sea
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Open sea

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Open sea

  1. 1. Open SeaChez Nicole DullanoAlexandria Rabanes
  2. 2. The world ocean covers over 360 million km2 of the earth’s surface and consists of one continuous, interconnected mass of water.This water is spread among three major ocean basins: Pacific Atlantic Indian
  3. 3. Distinguishing Characteristics:Salinity WavesTides DepthVastness
  4. 4. Benthic PelagicHabitats on These arethe bottom those found of the on theocean, and bottom, other regardless of aquatic the depth.organisms.
  5. 5. Structure The oceans can be divided into several vertical and•Littoral or horizontal zones.intertidal zone •Neritic zone•Oceanic zone
  6. 6. The ocean is generally divided vertically into Bathypelagic several depth zones Zone Mesopelagic ZoneEpipelagic Zone
  7. 7. Abyssal Hadal Zone Zone This is It is thelayer from where the deepest 4,000 to parts of the 6,000 m. ocean belongs.
  8. 8. Abiotic Factors• Temperature• Light• Pressure• Oxygen• Salinity• Water movement• Visibility
  9. 9. Phytoplanktons
  10. 10. Zooplanktons
  11. 11. Nanoplanktons
  12. 12. Nekton
  13. 13. Benthic organisms
  14. 14. Oil spills
  15. 15. Chronic pollution
  16. 16. Human occupancy and recreational useof the shores
  17. 17. Over fishing
  18. 18. Dumping grounds

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