<prompt> Which of the following bacteria is classified as facutative anaerobe?PseudomonasBacteroidesEscherichiaClostridium  <response>: Facultative anaerobes which are ordinarily aerobic but can also grow in the absence of oxygen though less abundantly. most bacteria of medical impoance are facultative anaerobes Ref: Ananthanarayan panikers Textbook of Microbiology 9th edition pg no:24 