LIVING
WORLD
WORLD
, What is a living organism ?
A living organism is primarily physico-
chemical material that demonstrates a
high degree of complexity, possesses a
metabolism and perpetuates itself
through time.
Living substances is composed of a
highly structural array of
macromolecules such as proteins,
lipids, nucleic acid. And polysaccharides
etc. .
,Characteristics of living organism
Nutrition :-
All living organisms need
food ,which
is assimilated and used as an
energy
source and materials for living
processes
such as growth.
, Characteristics of living organism
Respiration:-
All life processes require energy
and much of the food obtained
by nutrition is used as a source of
energy. The energy is released
during the
breakdown of certain energy rich
compounds by
the process of respiration.