| A | B |
| Middle America | the region between North and South America |
| protein | a substance in food that helps build the body and keep it healthy |
| intercropping | planting different crops together |
| reclaimed | land taken back by the surrounding rain forest |
| hieroglyph | an individual picture or symbol used in hieroglyphic writing |
| chinampa | a floating garden plot on which the Aztec grew crops |
| Columbian Exchange | the exchange of goods between Europe and its colonies in North and South America |