Question #7894b

1 Answer
Sep 20, 2015

Generally, yes, it can.

Explanation:

There are more then one kind of anaerobic unicellular organism. Some of them are facultative, which may perform aerobic OR anaerobic respiration, depending on the environment; some are tolerant anaerobes, which accept a certain level of oxygen in their environment; at last, there are the obligatory anaerobes, which will only survive in oxygen-free environments.