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chemotroph

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
chemotroph  (km-trf)
An organism that manufactures its own food through chemosynthesis (the oxidation of inorganic chemical compounds) as opposed to photosynthesis. The sulfur-oxidizing bacteria found at deep-sea hydrothermal vents and nitrifying bacteria in the soil are chemotrophs. Also called chemoautotroph. Compare phototroph.
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Since most of the cells in a multicellular organism would be far removed from the surface where these elements and compounds were readily available (especially in the Precambrian oceans, where this process occurred), this development meant that ultimately, the complex organisms that evolved from this primitive chemotroph cell had to have: 1) a "digestive system" to get water and the nutrients into the body and break the latter down to small enough molecules to move them about.
Evolution is not the enemy; intelligent design is not the solution by Pinkham, Carlos Frank Amory / Forum on Public Policy: A Journal of the Oxford Round Table
 
 
 
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