| A | B |
|---|
| prehistory | the time before there was writing |
| hominid | an early ancestor of humans |
| ancestor | a relative who lived in the past |
| tool | any handheld object that has been modified to help a person accomplish a task |
| Paleolithic Era | the first part of the Stone Age; OLD STONE AGE |
| society | a community of people who shar a common culture |
| hunter-gatherers | people who hunt animals and gather wild plants, seeds, fruits and nuts to survive |
| migrate | to move |
| ice ages | the freezing times |
| land bridge | a strip of land connecting two continents |
| Mesolithic Era | the Middle Stone Age |
| Neolithic Era | the New Stone Age |
| domestication | process of changing plants or animals to make them more useful to humans |
| agriculture | farming |
| megaliths | huge stones used as monuments |
