| Term | Definition |
|---|
| mitochondria | releases energy for the cell |
| cell | smallest unit of living matter |
| chlorophyll | green substance found in chloroplasts that help plants make food by trapping the sun's energy |
| vacuole | cell's holding bin for wastes |
| barter | to trade |
| civilization | culture that has a developed form of government, religion, and learning |
| Mississippi Mound Builders | first people to live in Tennessee who get their name from the hills of earth they built and left behind |
| Columbus | an explorer from Italy who discovered America in 1492 |
| Desoto | Spanish conquistador who found the Mississippi River |
| Olmecs | sometimes called the "mother civilization" because so many later groups learned a great deal from these people |
Combine with other sets
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