Across
- 3. Process of growing one crop on multiple acres
- 4. Tree from China that can grow in any habitat except wetlands
- 5. Invasive species from Japan that has a hollow stem with nodes
- 8. Using an alternative approach to getting rid of pests
- 9. Synthetic pesticide that is no longer in use because it caused problems to top predator birds
Down
- 1. Book written by Rachel Carson that brought the problems of DDT to the public
- 2. A term used to describe pests that have come here from another area and destroy the ecosystem
- 6. Process of turning natural resources into food, fiber, and fuel
- 7. Occurred because of poor agriculture and over plowing fields