'''Heterotrophs''' are organisms that are incapable of [[Autotroph|autotrophy]] and rely on other organisms for nutrition.<ref>The American Heritage® Dictionary of the English Language, Fourth Edition: [http://dictionary.reference.com/browse/heterotroph"Heterotroph"]</ref>
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'''Heterotrophs''' are organisms that are incapable of [[autotroph]]y and rely on other organisms for nutrition.<ref>The American Heritage® Dictionary of the English Language, Fourth Edition: [http://dictionary.reference.com/browse/heterotroph"Heterotroph"]</ref>