requiring organic compounds of carbon and nitrogen for nourishment; "most animals are heterotrophic
Refers to the ability of an organism to manufacture its own food It must obtain it from other organisms, living or dead, and it is said to depend on external nourishment
A group of organisms which obtain carbon for synthesis from other organic matter or proteins
requiring organic compounds of carbon and nitrogen for nourishment; "most animals are heterotrophic"
Dependence of an organism (man, animal, chlorophyl-less plants, many fungi and bacteria) on other organisms or plants for at least part of its nutrition