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Peopling of the Americas Becomes More Complex

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On 7/22/2015 at 7:34 PM, Xlucine said:

Straight across the pacific without touching all the islands makes no sense - but if they went via alaska, why didn't their genes survive anywhere else?


I think I found the answer.


During the period we're talking about, all of Canada and all of Alaska were both unlive-in-able.  Considerable portions were still under glaciers.


The actual inhabitable parts of North America had different ecosystems than they do now.  A lot more of it was covered in conifers, so what are now the Great Plains was probably more taiga-like, according to ancient pollen records.


So, basically, Alaska and Canada were all Greenland, and Nebraska was Wisconsin.


Probably most of those people in canoes said "nope!" and kept moving until they hit South America, which was the first place that didn't suck.

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