What type of organism does not need oxygen for growth and dies in its presence?

What type of organism does not need oxygen for growth and dies in its presence?

Correct Answer: anaerobic
symbiotic
acidic
aerobic

Explanation: An anaerobic organism is any organism that does not need oxygen for growth and even dies in its presence. Obligate anaerobes will die when exposed to atmospheric levels of oxygen. Clostridium perfringens bacteria, which are commonly found in soil around the world, are obligate anaerobes. Infection of a wound by C. perfringens bacteria causes the disease gas gangrene. Obligate anaerobes use molecules other than oxygen as terminal electron acceptors.

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