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What land form do most scientists think first people crossed to reach America?
Most scientists believe that the first people to reach America crossed the Bering Land Bridge, a strip of land that connected Asia to North America during the last Ice Age. This migration is thought to have occurred around 15,000-20,000 years ago.
How did scientists think people migrated from Asia to the Americas during the last ice age?
Scientists believe that during the last ice age, around 15,000 to 20,000 years ago, people migrated from Asia to the Americas by crossing a land bridge that connected Siberia to Alaska, known as Beringia. As the ice age glaciers locked up water, sea levels dropped, creating this land bridge that allowed for human migration.
How was the land bridge formed?
Land bridges aren't actually formed, they are already there but covered by the sea. When a glacial period starts, the water evaporated from the oceans falls as snow on the land and then compacts as ice which does not melt. Continual removal of water from the oceans over thousands of years causes sea level to drop and exposes the "land bridges".
What was The most widely accepted theory among scientists is that the last place humans migrated to was?
The most widely accepted theory among scientists is that the last place humans migrated to was the Americas, crossing the Bering land bridge from Asia between 15,000 and 20,000 years ago.
What did scientists call the land mass that all the continents used to be in?
Scientists called the now separated land mass "Pangaea."
Why do scientists believe the first inhabitants crossed the Land Bridge?
to find riches
How do many scientists believe the earliest men arrived in the western hemisphere?
They believe that men traveled across a land bridge.
What was the name of the land bridge that scientists believe early humans crossed over to migrate to North America?
The answer is Beringia.
Witch theory of early migration to north America do many scientists believe?
people crossed a land bridge
Before Japan became an island it was?
Before Japan became an island, it was connected to the Asian mainland by a land bridge during the last ice age about 11,000 years ago. This land bridge allowed for the migration of flora, fauna, and humans between Japan and mainland Asia.
Why do scientists think that the first people crossed the land bridge?
to find riches
How does the land bridge theory help scientist explain the movement of people from Aisa to North America?
The land bridge theory suggests that during the last Ice Age, a land bridge formed between Siberia and Alaska due to lower sea levels, allowing for the migration of people from Asia to North America. This theory helps scientists explain how early human populations could have crossed into North America from Asia via this land bridge, known as Beringia.
How do scientists think people migrated from Asia to the Americas in the last ice age?
They believe a land bridge existed between what is now Russia and Alaska. Sea levels would have been lower at the time due to the amount of ice on land.
What land form do most scientists think first people crossed to reach America?
Most scientists believe that the first people to reach America crossed the Bering Land Bridge, a strip of land that connected Asia to North America during the last Ice Age. This migration is thought to have occurred around 15,000-20,000 years ago.
About how many years ago was the Bering Land Bridge said to have formed?
The land bridge the connected Alaska to Russia was in existence around 10,000 years ago. It formed because sea levels were lower at the time due to more of Earth's water being frozen in the icecaps and other glacial structures.
What connected Asia and north america?
The Bering Land Bridge. For mor info and an animated view of the land bridge as it flooded out, see this site: http://instaar.colorado.edu/QGISL/bering_land_bridge/
When did Beringia form a land bridge from Asia to north America?
Beringia formed a land bridge between Asia and North America around 20,000 to 10,000 years ago during the last Ice Age. This land bridge allowed the migration of humans and animals between the two continents.
