Study of microorganisms and their communities in
the study of microorganisms in potable or
No harm to human health
(1) Marine Ecosystem
plants and animals interact with the chemical
and physical features of the environment.
areas of life, They can be oceans, ponds
, marshes, lagoons, or any area with water that
(2) Fresh Water Ecosystem
factors, including temperature , light
penetration, and vegetation.
Only 3% of the world's
99% of this is either frozen in glaciers and
pack ice or is buried in aquifers.
The remainder is found in lakes, ponds, rivers,
wide and includes the habitats like
live in water column
incapable of swimming
crucial source of food to
large aquatic organisms, such as fish and whales.
community of organisms which live on, in,
or near the seabed
also used in freshwater biology
food sources for the benthos are algae
Organisms such as sea stars, oysters,clams,
sea cucumbers, brittle stars
a multi-layered sheet of microorganisms,
mainly bacteria and archaea.
Temp from –40°C to 120°C
industrial uses for water treatment
and for cleaning up pollution.
group of microorganisms in which
cells stick to each other on a surface.
5 stages of development