Wiktionary
heterotrophic
a. Being a heterotroph.
WordNet
heterotrophic
adj. requiring organic compounds of carbon and nitrogen for nourishment; "most animals are heterotrophic" [ant: autotrophic]
Usage examples of "heterotrophic".
Fourteen species of autotrophic nannoflagellates, twenty heterotrophic flagellates, forty heterotrophic dinoflagellates, and several metazoans, including polychaetes, amphipods, copepods, euphausids, and fish.