| A | B |
| rural area | a place far from a city |
| ecosystem | all living and nonliving things that interact with each other in one place |
| grassland | a dry region covered by different kinds of grasses |
| border | an official line that shows where a political area begins or ends |
| population | the number of people who live in an area |
| suburb | a community next to or close to a city |
| boundary | the edge of an area |
| urban area | city land and spaces |
| latitude | the lines that cross the globe from side to side |
| longitude | the lines that cross the globe from top to bottom |