| A | B |
| Hunter-Gatherer | a member of a group who survives by hunting for animals or foraging for plants |
| Paleolithic | Old Stone Age--Rough stone tools were used for hunting and farming |
| Neolithic | New Stone Age--Polished stone was used to make weapons and tools |
| agriculture | preparing the soil for growing crops and raising animals for food and clothing |
| domestication | training animals for human use |
| technology | inventions discovered or created to make life easier |
| social structure | levels of society |
| civilzation | an advanced group of humans living together |