Across
- 1. Mr. Bouwman's favorite MLB team
- 3. restoring land disturbed by mining or other human activities
- 6. an ecological relationship between organisms of different species
- 8. an organism introduced into an ecosystem becomes overpopulated and harms its environment
- 9. the process of replanting an area with trees or other plants
- 11. the number and variety of organisms found in a specific region
- 13. Mr. Bouwman's favorite NBA team
Down
- 2. the overuse of animal and plant species by humans for food, medicine, or clothing
- 4. one species benefits but does not harm or benefit the other
- 5. one species benefits while the other is harmed
- 7. cutting down forests, draining wetlands, changing a habitat so much that the organisms can no longer use it
- 10. the contamination of the environment with substances that are harmful to life
- 12. both species benefit