autotrophic
adjective
au·to·tro·phic
ˌȯ-tə-ˈtrō-fik
1
: requiring only carbon dioxide or carbonates as a source of carbon and a simple inorganic nitrogen compound for metabolic synthesis of organic molecules (such as glucose)
autotrophic plants
compare heterotrophic
2
: not requiring a specified exogenous factor for normal metabolism
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Merriam-Webster unabridged
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