capnophile
(noun)
 A microorganism that requires or grows best in presence of high concentrations of carbon dioxide.
Examples of capnophile in the following topics:
- 
Gas Requirements- Capnophiles are microorganisms that thrive in the presence of high concentrations of carbon dioxide.
- Some capnophiles may have a metabolic requirement for carbon dioxide, while others merely compete more successfully for resources under these conditions.
 
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Special Culture Techniques- Many microphiles are also capnophiles, as they require an elevated concentration of carbon dioxide.