• WordNet 3.6
    • adj heterotrophic requiring organic compounds of carbon and nitrogen for nourishment "most animals are heterotrophic"
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Century Dictionary and Cyclopedia
    • heterotrophic Not self-sustaining; dependent upon others for food. Since all animals depend, either immediately or ultimately, upon plants for food, they are sometimes termed heterotrophic, in contrast with the autotrophic or self-sustaining plants. See autotrophic.
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In literature:

It is obvious that the metabolic processes of the autotrophic plants are very different from those of the heterotrophic type of plants.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher