photoheterotroph


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pho·to·het·er·o·troph

(fō'tō-het'ĕr-ō-trof),
An organism that depends on light for most of its energy and principally on organic compounds for its carbon. Compare: photoautotroph, photolithotroph, phototroph.
[photo- + G. heteros, other, + trophē, nourishment]