Facultative anaerobe

A facultative anaerobe is an organism that makes ATP by aerobic respiration if oxygen is present but that switches to fermentation under anaerobic conditions.

See also

• aerobic respiration
• anaerobic respiration

External links

• Facultative Anaerobic Bacteria (http://trishul.sci.gu.edu.au/courses/ss12bmi/micro_groups/fac_anaerobes.html)
• Obligate Anaerobic Bacteria (http://trishul.sci.gu.edu.au/courses/ss12bmi/micro_groups/obl_anaerobes.html)
• Anaerobic Bacteria and Anaerobic Bacteria in the decomposition (stabilization) of organic matter. (http://aggie-horticulture.tamu.edu/extension/compost/chapter1.html)