Some species can adapt to anaerobic conditions by substituting other electron acceptors for oxygen in their energy-producing pathways and are called:
A) aerobes.
B) obligate aerobes.
C) facultative anaerobes.
D) obligate anaerobes.
E) none of the above.

Question

Quizplus · Accepted Answer

Facultative anaerobes are organisms that can survive in both aerobic and anaerobic conditions by switching their metabolic pathways to use other electron acceptors such as nitrate, sulfate or carbon dioxide instead of oxygen.

Some Species Can Adapt to Anaerobic Conditions by Substituting Other