A commensal bacterium
A) always causes disease in its host.
B) is beneficial to its host.
C) does not receive any benefit from its host.
D) isnʹt capable of causing disease in its host.
E) may also be an opportunistic pathogen.

Question

Quizplus · Accepted Answer

Commensal bacteria typically do not harm their host and can coexist without causing disease, but they may become opportunistic pathogens if the host's immune system is compromised.

A Commensal Bacterium