heterotrophic

adjective Biology.

1. capable of utilizing only organic materials as a source of food.

adjective

1. (of organisms, such as animals) obtaining carbon for growth and energy from complex organic compoundsCompare autotrophic

1. An organism that cannot manufacture its own food and instead obtains its food and energy by taking in organic substances, usually plant or animal matter. All animals, protozoans, fungi, and most bacteria are heterotrophs. Compare autotroph.