| A | B |
|---|
| Stone Age | a time period when prehistoric people made and used stone tools |
| Paleolithic Age | the first period of the Stone Age, called the Old Stone Age, from about 2 million years ago to around 8000 B.C.E. |
| Neolithic Age | the later part of the Stone Age, called the New Stone Age, from around 8000 B.C.E. to 3000 B.C.E. |
| hunter-gatherers | food collectors |
| Fertile Crescent | an arc-shaped region in Southwest Asia, with rich soil |
| Catal Hoyuk | a Neolithic town discovered in central Turkey |
| stable | not changing or fluctuating |
| domesticate | to train a wild animal to be useful to humans |
| agriculture | the business of farming; growing crops and raising animals |
| temporary | for a limited time |
| nomad | one who moves from place to place with no permanent home |
| efficiently | working well; producing very little waste |
| division of labor | when each worker specializes in a particular task or job |
| trade | the business of buying and selling or exchanging items |
| resource | something that can be used to fulfill a need |
| enable | to provide the means or ability to do something |
