Unit 4: Land Use & Human Impact

2. / A natural resource that can be replenished naturally, like solar energy.
8. / A resource that cannot be replaced quickly, such as coal or oil.
11. / The process by which fertile land becomes desert due to drought or human activity.
13. Mining / A mining process that removes large strips of surface soil and rock.
14. Fragmentation / When large habitats are broken into smaller, isolated pieces.
17. / When animals eat grass faster than it can regrow, damaging land.
18. / The clearing or removal of trees in a forested area.
20. / The variety of life in an ecosystem.

1. / The growth and expansion of cities into natural areas.
3. Sprawl / The uncontrolled expansion of urban areas.
4. / Using resources in a way that meets needs without depleting them for the future.
5. / A community of living organisms and their physical environment.
6. / The process of replanting trees in an area that was deforested.
7. / The protection and preservation of natural resources.
9. / The practice of farming, including cultivation of soil and raising animals.
10. / The process of soil or rock being worn away by wind or water.
12. Capacity / The maximum population an environment can support.
15. / The introduction of harmful substances into the environment.
16. use / The way humans utilize the land, such as for farming or building.
19. Footprint / The total amount of greenhouse gases produced by human activities.