Landbridge Theory

The theory that describes how hunter-gatherers from Asia traveled into the Americas.

• Ice Age Theory

• Landbridge Theory

• Mammoth Theory

What two continents did the land bridge connect to?

• Asia

• Australia

• North America

During what time period did the hunter-gatherers cross the land bridge?

• during the Civil War

• around the Ice Age

• about 100 years ago

Why did hunter-gatherers cross the land bridge?

• They were bored.

• They were following their food source (animals).

• They were running away from their enemies.

What kind of animals did the hunter-gatherers hunt?

• lions and tigers

• bison and mammoths

How did the land bridge form?

• The cold temperatures during the Ice Age made the ocean water drop.

• The hunter-gatherers built the bridge themselves.

Other than North America, where else did the hunter-gatherers settle after crossing the land bridge?

• Antarctica

• South America

• Australia

Who crossed the land bridge first?

• hunter-gatherers

• the animals

• scientists