Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.


From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search


noun, plural: chemolitotrophs

An organism deriving energy from chemical reactions and synthesizing all necessary organic compounds from carbon dioxide.


Examples are certain bacteria and archaea, which are further grouped into methanogens, halophiles, sulfur reducers, nitrifiers, anammoxbacteria and thermoacidophiles.

Word origin: Gk: Chemo = chemical, auto = self, troph = nourishment
Related forms: chemoautotrophic (adjective), chemoautotrophy (noun)

Synonym: chemoautotroph

Compare: chemoheterotroph