Organisms that can grow with or without oxygen present are
A) obligate aerobes.
B) facultative anaerobes.
C) aerotolerant anaerobes.
D) obligate anaerobes.
E) either facultative anaerobes or aerotolerant anaerobes.

Question

Quizplus · Accepted Answer

Facultative anaerobes can grow in the presence or absence of oxygen, adjusting their metabolism accordingly. Aerotolerant anaerobes can also grow in the presence or absence of oxygen, but unlike facultative anaerobes, they do not use oxygen for growth.

Organisms That Can Grow with or Without Oxygen Present Are