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Eons: How the Egg Came First

8 minutes 44 seconds

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The story of the egg spans millions of years from the first vertebrates that dared to venture onto land to today’s mammals. This episode takes an in-depth look at the biology and history of oviparous and viviparous animals. Part of the "Eons" series.

Media Details

Runtime: 8 minutes 44 seconds

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