Early Human Migration

What is migration?

What was it called when everything began to freeze?

During the ice ages huge sheet of _____________ covered much of the earth’s land.

A strip of land connecting two continents is a _____________.

Land bridges allowed Stone Age peoples to ______________ around the world.

How long did migration take?

Early hominids, the ancestors of modern humans, migrated from Africa to _____________ as early as 2 million years ago.

Geographic features such as high ______________ and cold temperatures delayed migration northward into northern Asia.

Scientists _______________ on when and how the first people arrived in North America.

Most scholars think people must have crossed a __________________ from Asia to North America.