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
4. Benthic Pelagic
Habitats on
These are
the bottom those found
of the on the
ocean, and bottom,
other regardless of
aquatic the depth.
organisms.
5. Structure
The oceans can be divided
into several vertical and
•Littoral or horizontal zones.
intertidal zone
•Neritic zone
•Oceanic zone
7. The ocean is generally
divided vertically into Bathypelagic
several depth zones Zone
Mesopelagic
Zone
Epipelagic Zone
9. Abyssal Hadal
Zone Zone
This is
It is the
layer from where the
deepest
4,000 to
parts of the
6,000 m.
ocean
belongs.
11. Abiotic Factors
• Temperature
• Light
• Pressure
• Oxygen
• Salinity
• Water movement
• Visibility
