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Question

Why do organisms need food variety reasons

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Solution

1) Food provides energy to organisms that helps to carry out vital life processes like respiration , digestion, excretion,etc.

2) Food provides certain chemicals that is needed to fix the wear and tear parts of cells and also to make new cells everyday in order sustain life.

Food is needed by all organisms for many purposes:

(a) The main function of food is to help in growth.

(b) Food provides energy for movements such as running, walking or raising our arm.

(c) Food is also needed for replacement and repairing damaged parts of body.

(d) Food gives us resistance to fight against diseases and protects us from infections.

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