Which of the following types of organisms would be most likely to have evolved to live in the large intestine,where there is a complete lack of free oxygen?
A) obligate aerobe
B) obligate anaerobe
C) facultative anaerobe
D) aerotolerant anaerobe

Question

Quizplus · Accepted Answer

Obligate anaerobes are organisms that require a completely oxygen-free environment in order to survive. The large intestine is an anaerobic environment due to the lack of free oxygen, making obligate anaerobes the most likely type of organism to have evolved to live there.

Which of the Following Types of Organisms Would Be Most