Across
- 1. community- mature form of an ecosystem
- 5. cleaning forest land and repurposing it for non forest use.
- 7. zone- aquatic regions that do not have sunlight unable to support photosynthesis.
- 9. collection of ecosystems characterized by different temperature.
- 10. zone- aquatic regions with sunlight penetration, available to support photosynthesis
- 11. land ecosystems characterized by average temperature precipitation
- 13. created from a mutualistic symbolic relationshop between plant and fungus
- 15. when human population becomes so large they are not supported by an ecosystem.
- 16. warming-long term changes to the average temp weather patterns
- 17. biomes where fresh and saltwater meet.
- 19. web- visual representation of the feeding interaction of ecosystems
- 21. species- non native species in an area often able to compete.
- 22. species- Key organisms in an ecosystem that helps stabilize and maintain organisms.
Down
- 2. biome- water ecosystems characterized by light availability, water depth
- 3. measurement of the variety and richness of an ecosystem
- 4. species- species that evolve and are only found in one location
- 6. pockets ecosystems at the bottom of the ocean near divergent plate boundaries.
- 8. succession- predictable changes in an ecosystem as it progresses from pioneer species to bare rock.
- 12. succession- predictable changes in a echo system after a disturbance as it progresses towards climax community
- 14. the introduction of harmful materials into the environment from human sources.
- 18. includes substances that damage the quality of land.
- 20. species - first species to invade or overpopulate an area.
