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yes they do.
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What types of gas do volcanoes emit?
oxygen
What are bacteria that cannot live without oxygen called?
Bacteria that must have oxygen to survive are called obligate aerobes. Some bacteria can live with or without oxygen and are called facultative anaerobes.Anaerobes = No oxygenAerobes = Oxygen
What kind of bacterium reqires oxygen?
Aerobic bacteria require oxygen.
Do Bacteria breath oxygen?
Bacteria do not breathe in the sense that we do, but many do require oxygen. These are called aerobic bacteria. Some bacteria will use oxygen if it is present, but can function without it. These are called facultative anaerobes. Still other bacteria will die if exposed to oxygen. These are called obligate anaerobes.
What type of bacteria must have oxygen to live?
Aerobic bacteria must have oxygen to live.
What is the difference between aerobic and anaerobic bacteria-?
Aerobic bacteria uses oxygen for cellular respiration and anaerobic bacteria doesn't require oxygen to survive. ˇ_ˇ 
What bacteria don't need oxygen to grow?
Anaerobic bacteria don't need oxygen to grow.
What bacteria can survive without the presence of oxygen?
Archaebacteria called extremeophiles have some species that live entirely anaerobically. Bacteria [and other organisms] that respire using O2 as the 'final' electron acceptor are termed to be Aerobic, while bacteria [and the odd organism] that has the biochemical capacity to Live without O2 are termed to be Anaerobic.
. How do aerobic bacteria differ from anaerobic bacteria?
aerobic bacteria use oxygen based respiration, anaerobic bacteria use either nonoxygen based respiration (e.g. nitrogen, sulfur) or fermentation.
What factor in addition to oxygen might influence the growth of different types of bacteria?
It depends--there are both aerobic (oxygen-dependent or oxygen-tolerating) and anaerobic (oxygen-intolerant) bacteria. Anaerobic bacteria often cannot live in the presence of oxygen, while increasing oxygen levels for aerobic bacteria can often stimulate population growth.
In an oxygen-rich environment which has a competitive advantage aerobic bacteria or anaerobic bacteria?
Aerobic bacteriaBecause some anaerobic bacteria will die in the presence of oxygen.
Bacteria that can live with or without oxygen?
Bacteria lacking a nucleus
