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heterotroph

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.01 sec.
heterotroph (hĕt`ərətrōf'), living organism that obtains its energy from carbohydrates and other organic material. All animals and most bacteria and fungi are heterotrophic. In contrast, autotrophs autotroph , 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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 are organisms that use inorganic substances as energy sources and carbon dioxide as a carbon source.
heterotroph [′hed·ə·rō‚träf]
(biology)
An organism that obtains nourishment from the ingestion and breakdown of organic matter.


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Because essential fatty acids are not influenced by subsequent metabolism within a eukaryotic heterotroph, they retain their original isotope composition (Stott et al.
Stable isotopes usually cannot determine exactly what a heterotroph has been consuming (because isotope compositions of sources may overlap), but they can be used to constrain what it has not been eating, providing insights into possible isotope ranges of food sources (Levin 2005, MacAvoy et al.
Although most heterotrophic bacteria are not pathogenic and no relationship between heterotroph levels and disease has been demonstrated, their incidence in pool water makes them a significant source of information about the general sanitary quality of the pool.
 
 
 
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