First Americans

Where did humans evolve?

• North America

• Europe

• Africa

• Asia

Which continent did humans migrate to after leaving Africa?

• South America

• Australia

• Europe

• Asia

What is the name of the land bridge that connected Asia and North America?

• Bering Land Bridge

• Siberian Bridge

• Pacific Bridge

• Atlantic Bridge

When did humans first move onto the Bering Land Bridge?

• 23,000 years ago

• 15,000 years ago

• 12,600 years ago

• 13,000 years ago

Where did the Native Americans originate from?

• Europe

• Africa

• East Asia

• Southeast Asia and Australo-Melanesia

What is the genetic mix found in Native Americans?

• East Asians and Europeans

• Australo-Melanesians and Africans

• Southeast Asians and East Asians

• Australo-Melanesians and East Asians

When did the split between North and Central/South American Native Americans occur?

• 23,000 years ago

• 15,000 years ago

• 12,600 years ago

• 13,000 years ago

What evidence did scientists use to theorize human migration onto the land bridge?

• DNA sequencing

• Fossil records

• Geologic records

• All of the above

How much of the Earth has seen influence from human activity?

• Less than 10%

• Around 30%

• Around 50%

• More than 80%

What does DNA carry with it?

• A record of interbreeding and adaptations

• A record of geographical locations

• A record of cultural practices

• A record of climate changes