why do animals and plants need nutrition ? class 7 science chapter 1 ncert
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They are necessary to the lives of people, plants, animals, and all other organisms. Nutrients help break down food to give organisms energy. ... The human body can also synthesize some nutrients, such as amino acids. However, most organisms need nutrients created by autotrophs.
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The nutrients enable living organisms to build their bodies, to grow, to repair damaged parts of their bodies and provide the energy to carry out life processes. Nutrition is the mode of taking food by an organism and its utilisation by the body.
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