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Dvinal [7]
2 years ago
14

which era characterized by the extinction of reptiles and the appearance of mammals is considered significant in geological hist

ory​
Biology
1 answer:
lilavasa [31]2 years ago
7 0

Answer:

Mesozoic Era

Explanation:

The "Mesozoic Era" is divided into three periods: <em>Triassic, Jurassic and Cretaceous.</em> During the last period (Cretaceous), which was considered the longest, the extinction of reptiles occurred and the new mammals appeared. This event was also known as the "Cretaceous-Paleogene Extinction Event." Around <em>3/4 of plants and animals died</em>. Such event became significant boundary that laid between the Cenozoic Era and the Mesozoic Era. This made it significant in geologic history.

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