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Eons: How the Egg Came First

8 minutes 44 seconds

Now Playing As: Captioned (English) (change)

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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

A Wooly Rhino is grazing on the slope of a mountain.
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Grade Level: 10 - 12
A group of four legged terrestrial creatures. Caption: Synapsids.
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Grade Level: 10 - 12
A pair of Ichthyosaurs hunting prey in the sea.
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Season 2 / Ep 27
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A giant deer roams a grassland.
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Season 2 / Ep 31
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An illustration depicts the dinosaur, Coelophysis, with new born Coelophysis in between its beak.
Eons
Season 2 / Ep 32
10 minutes 37 seconds
Grade Level: 10 - 12
A painting depicts scientists comparing Piltdown Man's remains to other species. Charles Dawson and Sir Arthur Smith Woodward are seen standing together.
Eons
Season 2 / Ep 33
9 minutes 54 seconds
Grade Level: 10 - 12
An illustration depicts a pair of dinosaurs fighting each other.
Eons
Season 2 / Ep 34
8 minutes 35 seconds
Grade Level: 10 - 12
An illustration depicts a bat flying in sky.
Eons
Season 2 / Ep 35
11 minutes 9 seconds
Grade Level: 10 - 12
An illustration depicts a pair of reptile like dinosaurs running in a desert. Image credit: Ceri Thomas.
Eons
Season 2 / Ep 36
8 minutes 33 seconds
Grade Level: 10 - 12
An illustration depicts an extinct animal, the Giant Lemur.
Eons
Season 2 / Ep 37
10 minutes 9 seconds
Grade Level: 10 - 12