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Any organism capable of self-nourishment by using inorganic materials  as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists.
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that is a great and informative ans.
Autotrophs are the organisms that are able to produce organic products from simple inorganic substances which may be nutritious for them.
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Sorry thanks
first person in my brainly history who gives 60 points for such a simple question...
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