Question

What makes methanogens tolerable toward harsh conditions?​

Answer 1

Answer:

Methanogens are strict anaerobes and, in culture, will not grow or metabolize (produce methane) in the presence of even trace levels of oxygen (Zinder, 1993). Given the high abundance of oxygen in Earth's atmosphere, this sensitivity has the potential to severely limit methanogenesis.

Explanation:

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Answer 2

Answer:

Methanogens are strict anaerobes and, in culture, will not grow or metabolize (produce methane) in the presence of even trace levels of oxygen (Zinder, 1993). Given the high abundance of oxygen in Earth's atmosphere, this sensitivity has the potential to severely limit methanogenesis.