Marine biology

What is Marine biology?

Marine biology definition and meaning on Dictionary terms:
of or relating to the sea; existing in or produced by the sea: marine vegetation.
pertaining to navigation or shipping; nautical; naval; maritime.
serving on shipboard, as soldiers.

of or belonging to the marines.
adapted for use at sea: a marine barometer.

a member of the U.S. Marine Corps.
one of a class of naval troops serving both on shipboard and on land.
seagoing ships collectively, especially with reference to nationality or class; shipping in general.

a picture with a marine subject; seascape.
naval affairs, or the department of a government, as in France, having to do with such affairs.