oxygen catastrophe

名词 n.

英文释义

名词 n.
  1. An event during the oxygenation event of Earth's past, where the level of free oxygen in the environment exceeds the tolerance levels of most extant anaerobic life.
  2. Such an event that theoretically occurs elsewhere, away from Earth.

词形变化

oxygen catastrophes plural

词源

From oxygen + catastrophe. From the accumulation of atmospheric oxygen, which was toxic to the anaerobic organisms existing at the time. This process led to a widespread extinction of those life forms.
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