At the beginning of the Precambrian, Earth was a harsh and unpredictable place. Volcanic eruptions, meteor strikes, and extreme heat made it impossible for complex life to exist. After millions of years, the surface cooled, oceans began to form, and the first life forms appeared. Learn more about these early life forms in our new First Life exhibit, open now! #FirstLife #science #newexhibit #museum #Alberta #Canada | Royal Tyrrell Museum of Palaeontology