1. Migration of Hominids

2. Ice Age
• About 12,000 years ago, the Earth was experiencing one of many Ice Ages
• Large sheets of ice covered much of the world
• With much of the Earth’s water in the form of glaciers, less water was in the
world’s oceans.
• Ocean levels dropped, revealing more of the continental shelf

5. Migration
• This allowed for the migration
of people who were following
herds.