Answer:
All the living
organisms need energy to perform various life processes. They get this energy
from food. Thus, food is the basic requirement of all living organisms.
(a) it is needed for
the following purposes
(b) it
provides energy for various metabolic processes in the body.
(c) it is
essential for the growth of new cells and repair or replacement of workout
cells,
(d) it is
needed to develop resistance against various diseases.
Thus
nutrition is a necessity for an organism.
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