| A | B |
|---|
| agriculture | the raising of plants and animals for human use |
| New Stone Age | a period of time when people depended on stone tools and began experimenting with agriculture |
| domesticate | to train plants and animals to be useful to people |
| surplus | an extra supply of something |
| specialization | trained to do a particular kind of work |
| civilization | a culture that has developed specialization, government, learning, and religion |
| trade | the exchange of goods between people |
| technology | the use of skills and tools to serve human needs |
| Old Stone Age | the period of human prehistory when stone tools were the most common technology used by humans |
| hunter-gatherer | a person of the Old Stone Age who met needs by hunting animals and gathering plants |
