What is migration?

• Movement from one location to another in search of resources or due to environmental changes

• A period with cooler global temperatures

• The expansion of ice sheets across large areas

• Arrival of humans in North America

What is the Ice Age?

• Movement from one location to another in search of resources

• A period with cooler global temperatures and the expansion of ice sheets across large areas

• Arrival of humans in North America

• Fossilized human footprints

Scholars estimate that early humans arrived in ______ during Earth's last ice age.

• North America

• South America

• Europe

• Asia

Archeological and genetic studies currently conclude that people arrived around ______ years ago.

• 25,000

• 10,000

• 50,000

• 100,000

Large masses of ice called glaciers affected North America during early human migration by:

• creating land bridges that facilitated migration

• blocking migration routes entirely

• having no impact on migration patterns

• making the climate warmer and more hospitable

Beringia is:

• a land bridge that once connected Asia and North America

• a type of ancient marine life

• a prehistoric tool used by early humans

• a region in Africa known for its wildlife

Fill in the blank: Glaciers trapped large amounts of water and decreased ______ levels, which revealed land around the Bering Strait.

• sea

• land

• ice

• air

The land bridge called Beringia connected which two regions?

• Asia and North America

• Europe and Asia

• Africa and South America

• Australia and Antarctica

The hunter-gatherers were:

• a group of people who farmed and raised livestock

• a group of people who lived by hunting animals and gathering plants

• a group of people who built large cities

• a group of people who traded goods across continents

The coastal route theory proposes that early human migration occurred along which geographical feature?

• Deserts

• Mountains

• Coastlines

• Rivers