Across
- 3. animal that lives by eating other animals
- 5. plant toxic to the other plants growing around it
- 8. purposeful clearing of forest land
- 10. introduction of harmful materials into the environment
- 11. the ___ is between 25 and 50 degrees
- 12. have thick needles to protect against the cold
Down
- 1. the leaves fall in the fall and winter
- 2. animal that is hunted by other animals
- 4. affect of one plant on another through the chemicals the plant produces
- 6. have a shell to protect them from predators
- 7. sweat out poison from their body
- 9. long term weather pattern in an ecosystem