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Eons: How the Walrus Got Its Tusks

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The rise and fall of ancient walruses, and how modern ones got their tusks, is a story that spans almost 20 million years. While there are parts of the story that scientists are still trying to figure out, it looks like tusks didn’t have anything to do with how or what these animals ate. Part of the "Eons" series. Please note this title contains discussions on sexual reproduction and selection.

Media Details

Runtime:

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Season 2 / Ep 23
13 minutes 14 seconds
Grade Level: 10 - 12
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Season 2 / Ep 26
10 minutes 10 seconds
Grade Level: 10 - 12
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Season 2 / Ep 27
9 minutes 38 seconds
Grade Level: 10 - 12
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Season 2 / Ep 31
6 minutes 53 seconds
Grade Level: 10 - 12
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Season 2 / Ep 32
10 minutes 37 seconds
Grade Level: 10 - 12
Eons
Season 2 / Ep 33
9 minutes 54 seconds
Grade Level: 10 - 12
Eons
Season 2 / Ep 34
8 minutes 35 seconds
Grade Level: 10 - 12
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Season 2 / Ep 35
11 minutes 9 seconds
Grade Level: 10 - 12
Eons
Season 2 / Ep 36
8 minutes 33 seconds
Grade Level: 10 - 12
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Season 2 / Ep 37
10 minutes 9 seconds
Grade Level: 10 - 12