Verified Answer :

Permian-Triassic extinction

Answer:

Permian extinction

Explanation:

  • Permian extinction was the one that contributed to the greatest destruction among the five known mass extinction events.
  • Permian extinction is known to occur around 15 million years ago.
  • The extinction wiped out 96% of all marine species and 70% of terrestrial vertebrates and is the largest known mass extinction of events.
  • The extinction led to a loss of the great amount of biodiversity due to which it took a long time for reestablishment of land-dwelling organisms.
  • Several causes have been attributed to this extinction such as - volcanism, anoxia, hydrogen sulfide emissions, etc.

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