Overview Diagram illustrates various types of oxygen requirement for growth, with those bacteria closest to air in tube being most dependent on oxygen for metabolism Aerobes ("Nagging Pests Must Breathe") login to view 6 more bullets Anaerobes ("ABC") login to view 3 more bullets Microaerophilic ("a bit of air for 'bacter") login to view 3 more bullets Facultative anaerobes login to view 2 more bullets Physiology Aerobes login to view 1 more bullet Anaerobes login to view 9 more bullets Microaerophilic login to view 1 more bullet