About Ordovician results of 17

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Introduction to the Geologic Time Chart | Big History Project06:37

Introduction to the Geologic Time Chart | Big History Project

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How Plants Caused the First Mass Extinction10:30

How Plants Caused the First Mass Extinction

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How the Squid Lost Its Shell08:32

How the Squid Lost Its Shell

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Did This Ancient Asteroid Cause an Ice Age? | SciShow News06:10

Did This Ancient Asteroid Cause an Ice Age? | SciShow News

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From the Cambrian Explosion to the Great Dying11:58

From the Cambrian Explosion to the Great Dying

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How Many Mass Extinctions Have Happened On Earth?04:05

How Many Mass Extinctions Have Happened On Earth?

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The 6 Craziest Extinctions Ever04:27

The 6 Craziest Extinctions Ever

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The Trouble With Trilobites06:55

The Trouble With Trilobites

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Crash Course Big History: The Evolutionary Epic14:34

Crash Course Big History: The Evolutionary Epic

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Earth's Evolution in 10 Minutes10:35

Earth's Evolution in 10 Minutes

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Death From Space — Gamma-Ray Bursts Explained07:14

Death From Space — Gamma-Ray Bursts Explained

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The Insane Biology of: The Octopus21:27

The Insane Biology of: The Octopus

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The debate over the Anthropocene, explained09:44

The debate over the Anthropocene, explained

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When Fish Wore Armor10:19

When Fish Wore Armor

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The Whole Saga of the Supercontinents09:18

The Whole Saga of the Supercontinents

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The History of Life on Earth - Crash Course Ecology #113:38

The History of Life on Earth - Crash Course Ecology #1

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古生物学者だけど「絶滅」について質問ある？| Tech Support | WIRED Japan21:33

古生物学者だけど「絶滅」について質問ある？| Tech Support | WIRED Japan

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