Micro. Groups Based On Utilization of Oxygen & Temperature Flashcards
Aerobe
An organism that grows in the presence of air (oxygen - 21%)
Anaerobe
An organism that cannot use/ grow in the presence of oxygen (toxic)
Microaerophile
An organism that requires a small amount of oxygen
Facultative Anaerobe
An organism that doesn’t require oxygen for growth but may use it if available
Aerotolerant Anaerobe
An organism that does not use oxygen but can grow in its presence (21% oxygen)
Psychrophile
Organisms that can grow at 0 C
(Opt. - <15 c; max 20 C)
Psychrotroph
Organism that can grow from 0 - 7 C
(Opt. 20 - 30C; max 35 C)
Mesophile
Organisms that grows optimally between 30 - 40 C
(min 15 - 20 C; max <45 C)
Thermophile
Organism that grow at a temp of 50 C or higher
(Opt. 50 - 65 C; min 45 C)