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Information about the Beringia land bridge


on 10 October 2012

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Transcript of Beringia

The Beringia Land Bridge Around 20,000 years ago, the world was going through an ice age. Most of North America, Europe, and Northern Asia were covered in giant glacial sheets of ice. The world looked like this! From space, our Earth would have looked something like this. Because so much of the Earth's water was locked in the form of ice, ocean levels were a lot lower than they are today. Due to these lower sea levels, a land bridge appeared between Asia (Siberia Russia) and North America (Alaska). Due to the scarcity of food during these cold and inhospitable times, early humans had to constantly travel in search of new food sources. Above: A family of people migrating across the Beringia land bridge into North America. Over the course of thousands of years, it is believed that humans crossed over the Beringia land bridge into North America, and slowly migrated south and eastward. In time, these "first peoples" settled down and became the first North and South Americans. Over the course of time, as the planet warmed up and the ice melted, the Beringia land bridge was submerged under the water. Once the land bridge was severed with North America, there was no further contact between the two continents for thousands of years. Early stone tools, similar to ones found in Europe, and Asia, have been found throughout North America. This suggests a common ancestry between their inhabitants. Before After
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