| A | B |
| Latin | A language that few people speak today. The Spanish and Portuguese languages come from this language. |
| tropics | A region located near the equator with a very hot, rainy climate. |
| Equator | The 0* line of latitude that divides the globe into north and south. |
| Northern Hemisphere | The half of the earth north of the Equator. |
| Southern Hemisphere | The half of the Earth south of the Equator. |
| tropical climate | A climate near the Equator in which it is hot all the time without much rain. |
| tropical rain forest | A thick forest that grows near the Equator where the climate is very hot and very wet. |
| elevation | how high land is above sea level |
| sea level | the ocean surface and the zero point for measuring the elevation of the land |
| mestizo | person of mixed European and Native American ancestry |
| developing nation | a nation with low standard of living and poor industry or technology |
| subsistence farmer | a farmer who grows just enough food for his own family with nothing left over to sell |
| plantations | a huge farm, especially in the tropics, that grows cash crops such as bananas, coffee, and sugarcane |
| canopy | top layer of a rain forest |
| mulatto | person of mixed African and European ancestry |
| land reform | when a government divides large plantations into smaller farms that are given to poor farmers |
| rapid population growth | the population grows a lot each year |
| illiteracy | a person or people cannot read or write |
| one-crop economy | a country earns most of its money from one crop |
| communism | the government owns and controls all of a country's farms, factories, businesses, and money |