| A | B |
|---|
| agriculture | The domestication of people and animals. |
| prehistory | Events that happened before the invention of writing. |
| excavate | To uncover by digging. |
| culture | A unique way of life that sets a group of people apart from others. |
| evidence | Proof. |
| artifact | A human-made object, especially from long ago. |
| economy | The way people use resources to meet their needs. |
| archaeologist | A scientist who locates and studies the things left behind by people. |
| glacier | A huge, slow-moving sheet of ice. |
| bands | A small group of people. |
| extinct | No longer existing. |
| paleonthropologist | A scientist who studies the ancestors of modern people. |
| maize | Corn. |
| migration | Movemenet of groups of people from one place to another. |
| society | An organized group of people living and working under a set of rules and traditions. |
| fossil | The remains of a once-living thing. |
| Ice Age | A long cold-blooded period when huge sheets of ice covered part of the Earth's surface. |
| livestock | Domesticated animals such as cattle, sheep, and pigs. |
| nomad | A person with no settled home. |
| domesticate | To tame plants and animals for people's use. |
| division of labor | A system in which the members of a group do different tasks according to their abilities and the group's needs. |
