Unit 5 Vocabulary

2. Technology used to monitor crops, spray fields, and collect agricultural data.
4. Using more resources than necessary; overuse.
6. Wood harvested from trees for building material.
7. Mating organisms to combine desirable traits.
10. When livestock eat vegetation faster than it can regrow.
12. A crop grown primarily to sell for profit.
15. Producing a larger amount of crops from the same land.
16. Removing only certain trees while keeping the forest structure intact.
18. Foods grown without synthetic chemicals or genetic modification.
21. Large-scale removal of forests.
25. Growing crops in stacked indoor layers to save space and water.
27. Plants grown to protect soil and prevent erosion.
30. Replanting trees in areas where forests have been cut.
31. Roads, bridges, water pipes, power lines, and other systems that support society.
32. An ecosystem that absorbs more carbon than it releases.
33. Using less energy to perform the same job.
34. Local laws that determine what types of buildings or activities can occur in certain areas.

1. Removing all trees from an area at once, causing erosion and habitat loss.
3. Federal agency responsible for managing public forests and conservation.
5. Artificial nutrients added to soil to increase plant growth.
8. The movement of people from rural areas into cities, causing city growth.
9. Chemicals used to kill insects, weeds, or other pests.
11. Cutting trees in stages so younger trees can grow under partial sunlight.
13. Reasons why people leave an area and reasons that attract them to another area.
14. A surface that does not allow water to soak through, increasing runoff.
17. An organism whose DNA has been altered for improved traits.
19. Planting alternating strips of crops to reduce erosion.
20. Meeting present needs without harming future generations' ability to meet theirs.
22. A zoning method that separates land uses (residential, commercial, industrial).
23. Framework for sustainability—Environment, Economy, and Equity.
24. Breaking habitats into smaller, isolated pieces.
26. Global increase in food production due to improved technology in the mid-20th century.
28. Changing crops grown in a field to maintain soil nutrients.
29. Treated sewage used as a nutrient-rich fertilizer.