The Neolithic Era

2. The act of changing the genetic makeup of both plants and animals so that they are useful to humans
4. Its invention enabled Neolithic people to begin to farm the large river valleys, despite the lack of rain by moving water away from its source
8. After the end of the last Ice Age, humans enjoyed an ___________ of food because of larger plant and animal populations
9. Became more common when humans began to live around animals
11. Its discovery brought about the revolutionary changes that marked the beginning of the Neolithic Era
12. A small tool used to cut grain
14. The second animal to be domesticated by humans
15. The surplus of food in the Neolithic Era made it possible for some people to _____ in such tasks as making tools or engaging in trade
17. A Neolithic invention, it helped to prepare the soil for the planting of crops
18. A cross between two types of plants or animals

1. Made necessary by the challenge of storing food, it was first made by hand out of clay
3. Farmers do this to the environment much more than foragers
5. Made of mud or clay, they were used in the construction of permanent homes
6. This kind of lifestyle was adopted during the New Stone Age as people made permanent settlements
7. When crops fail, humans are in danger of experiencing this
10. An amount of something that is more than what is needed at a given time
13. Mr. Lamkin's hair can be described this way
16. Farming was more _______ than foraging because it provided more calories with less work