Early Humans

2. Stone Age Paleolithic era
4. the practice of learning specific skills in order to do a specific job that is different from the jobs that other people may have
8. items created by humans left behind
9. the practice of giving an item with the expectation of receiving an item of equal value
10. an amount of something that is more than is necessary or needed
11. natural items left behind
12. the practice of controlling the plants and animals to benefit humans
13. to teach or control a plant or animal in a way that it benefits humans
14. Gatherer humans who survived by hunting and gathering

1. always on the move
3. Stone Age neolithic era
5. the time before written records were kept
6. the time after written records were kept
7. the process by which a society or place reaches an advanced stage of social and cultural development and organization.