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Chapter 2
Lesson #3 (pp. 78-80) and Lesson #4 (pp. 81-86)
| Word | Definition |
|---|---|
| ancestor | a person on one's family tree, such as a great-grandparent |
| expedition | a journey undertaken for a specific purpose, such as exploration |
| mestizo | a person of mixed Europoean and American Indian ancestry |
| mulatto | a person of mixed black and white ancestry |
| population density | The average number of people per given unit of area |
| epidemic | the rapid spread of disease among a large number of people |
| natural increase | change in pouulation that comes from differences in the number of births and deaths |
| metropolitan area | area made up of one or more large cities and the towns and other communities around it |
| primate city | a city 2 1/2 times the size of the next largest city--standing out above others in business, transportation, etc. |
| rural area | countryside |