Some did. But there were relatively few species that inhabited the tundra of Siberia at the time that human migration is suggested. Like the Inuit, they would have hunted existing Arctic species before moving into the temperate climates of North America.
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Chickens before they are hatched, but only when they cross the bridge before they arrive at it.
by having a male of one species and a female of another species mate. for example, a liger is a cross between a male lion and a female tiger. a tigon is a cross between a male tiger and a female lion. a mule is a cross between a donkey and a horse. sadly, none of these can create a new generation, because of the number of chromosomes they have and so on.
According to plate tectonics there used to be a land bridge between Russia/Alaska that early peoples crossed over following animal herds.
When crossing water, ants congregate in a mass and begin interlocking limbs. Before too long they can build a bridge with there bodies and are able to cross the obstacle.
Neanderthals did not migrate across the Bering land bridge as they primarily inhabited Europe and parts of western Asia. The land bridge was used by early human populations to migrate from Asia to the Americas.
The Bering Land Bridge or the Bering Sea Land Bridge.
the last people to cross the bridge were the natives to the Russian/Alaskan areas..
the bering land bridge that allowed people to cross from asia to america
Bering Strait, Bering Sea
they followed the herd of animals, as this was their source of food. the animals just happened to cross the land bridge from Asia to North America.
Bering Strait, Bering Sea
The bering strait
one way is they cross the Bering land bridge. the other way is they sailed island to island.
a bridge that is shaped like a cross
bering strait