From Asia to America Flashcards
what was the earth like many years ago?
very cold and icy
who do scientists say were the first Americans?
Asians
what were these ice sheets on the globe called?
glaciers
why were the ocean levels lower than they were today?
because they were frozen
where is the Bering Sea?
between Asia and America (Canada)
what did the Bering land bridge do for Asia and North America
allowed people to move
how was this land bridge good for hunters?
for them to walk and find food
what were these hunters called? why?
nomad, because people who are constantly in search for food
because if this bridge, where do you scientists believe that the first Americans came from?
Asia and Europe
what does “migrate” mean?
to move from place to place
why did the land bridge begin to close?
The glaciers melted and flooded
what changes did this closer costs?
a lot of people dying
why caused many of the early animals to become extinct?
weather
