Environment & Ecology · Extinction Events and History of Life
Which specific geological event, occurring approximately 440 million years ago, is recognized as Earth's first major mass extinction, resulting in the elimination of about 85% of marine species?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The Late Devonian mass extinction
- 2The Jurassic mass extinction
- 3The Late Ordovician mass extinction✓
- 4The Cretaceous mass extinction
Correct answer
The Late Ordovician mass extinction
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