Question

why do living beings need food

Answer 1

living organism need nutrients for getting energy....and food is the only source of energy and nutrition...
so to fulfilled their need livin' organism need food.

Answer 2

living beings need food yo survive.
Food is essiential for all living organisms.food provides us energy:
To do daily activites
To grow
To become fit ,disease free
To keep the cells good etc
food contains some substances known as protiens,vitamins,minerals and nutrients.all of these takes various responsibilites to keep our body fit and protected.
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