Environment & Ecology · Evolution & Biodiversity Loss
Which of the following mass extinction events was Earth's first major extinction event, resulting in the elimination of approximately 85 percent of all marine species?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Cretaceous-Paleogene extinction
- 2Permian-Triassic extinction
- 3Late Devonian extinction
- 4Late Ordovician extinction✓
Correct answer
Late Ordovician extinction
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