chemotrophic


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Related to chemotrophic: chemoautotroph

chemotrophic

 [ke″mo-trōf´ik]
deriving energy from the oxidation of organic (chemo-organotrophic) or inorganic (chemolithotrophic) compounds; said of bacteria.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

chemotrophic

see CHEMOAUTOTROPHIC.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
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These organisms would extract H2S or CH4 from reducing sediments, cultivating endosymbiotic chemotrophic or denitrifier bacteria by accumulation and storage of fecal pellets for later reutilization as an energy source (a possible explanation for the observed textural and color contrast between the Chondrites fill and lighter sedimentary surroundings).
Hydrothermal vent environments have been suggested for the subsurface origin of chemotrophic life.
How do phototrophic and chemotrophic (or heterotrophic) soil organisms differ in the way they get their energy for growth?
Photosynthetic life is ruled out below the ice because of the complete lack of sunlight--but chemotrophic life may still be possible.