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Related to Chemotrophic: chemoautotroph


see autotrophautotroph
, in biology, an organism capable of synthesizing its own organic substances from inorganic compounds. Autotrophs produce their own sugars, lipids, and amino acids using carbon dioxide as a source of carbon, and ammonia or nitrates as a source of nitrogen.
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These cercariae seem to have a chemotrophic reaction to secretions from the skin and are not as host-specific as other types of schistosomes.
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.