In marine biology, the
Nov 30, 2011
It includes the region above the continental shelf , called the
The pelagic division above the continental shelf is distinguished as the
Covering about 70 per cent of the earth's surface ocean contains many communities. The life extends to all depths of the ocean, although life is much denser ...
There are four major oceanic zones where plants and animals live in the ocean.
The four major zones are intertidal zone,
Jul 20, 1998
Nov 11, 2012
We can classify the ocean by light vertically,