Across
- 2. Mature form of an ecosystem, end result of biological succession
- 3. Pockets ecosystems at the bottom of the ocean near
- 5. Biomes where freshwater and saltwater meet
- 6. Predictable changes in an ecosystem as it progresses toward reestablishing a mature climax community
- 9. Key organisms in an ecosystem
- 10. When human populations become so large they are not able to be supported by ecosystems
- 13. Land ecosystems characterized by average temperature and precipitation
- 14. Aquatic regions where sunlight penetrates
- 16. Species that evolve and are only found in one isolated geographic location
- 17. Created from a mutualistic symbiotic relationship between a plant and a fungus
- 18. Long term changes in average global temperatures
- 19. Visual representation of the feeding interactions in an ecosystem
- 20. Measurement of the variety and richness of an ecosystem
Down
- 1. First species to invade or populate an area
- 4. Predictable changes in an ecosystem after a disturbance
- 7. Non-native species in an environment
- 8. Clearing forested land and repurposing it for non-forest use
- 11. The introduction of harmful materials into the environment
- 12. Collection of ecosystems with smililar characteristics
- 15. Aquatic regions that do not have sunlight
