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Aerobic
Living or occurring only in the presence of free oxygen. An aerobe is an organism that requires free oxygen. On Old Earth, eukaryotes and many prokaryotes are aerobic.
 
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  • Anaerobic - Text by M. Alan Kazlev
    Living in the absence of free oxygen; pertaining to or caused by the absence of oxygen. Eogaian planets are characterized by anaerobic conditions. An anaerobe is an organism, such as a bacterium, that does not require free oxygen to live (opposed to aerobe).
 
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Development Notes
Text by Stephen Inniss, based on the original by M. Alan Kazlev

Initially published on 26 January 2009.

 
 
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