What episode wiped out many insect species in the world?
2 answers:
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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D. The discoveries confirmed many but not all of the classifications that were based on observable traits, and scientists revised classifications when necessary.
Answer:
C: Earth scooped out that can form a lake or deep valley
