heterotrophic

/ˌhɛtərəˈtrɑfɪk/
adjective
  1. Describing an organism that cannot produce its own food and must obtain energy by consuming other organisms or organic matter.
    • In a food web, heterotrophic consumers depend on autotrophic producers for survival.
    • Fungi are heterotrophic organisms that absorb nutrients from decaying material.
    • All animals are heterotrophic, relying on plants or other animals for food.