This bedtime story takes us on a journey through time and space. We explore the appearance and evolution of life in Earth's oceans, from the first microorganisms and the diversification of life forms that happened during the Cambrian and Ordovician explosions, to our time.

Timestamps

00:00 Introduction to Prehistoric Oceans

05:05 How Oceans and Life Appeared on Earth

19:59 Cambrian Explosion

31:16 Fish, Arthropods, and Mollusks

45:08 From Paleozoic to Mesozoic

56:49 Towards Modern Marine Ecosystems 

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Join me for a sleepy adventure tonight. Sit back, relax, and fall asleep to documentary-style stories read in a calming voice. Learn something new while you enjoy a restful night of sleep.

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