Across
- 1. thinly sliced trees
- 3. moving picture
- 4. The final and stable community (all types of organisms)
- 7. Living factors in an ecosystem
- 11. The gradual process of change and replacements of some or all of the species in a community
- 12. Occurs on a surface where an ecosystem has previously existed
- 13. mini computer
Down
- 2. Occurs on a surface where NO ecosystem existed before
- 5. Non-living factors in an ecosystem
- 6. The first organisms to colonize any newly available area
- 8. this
- 9. glass that helps you see
- 10. A community of organisms interacting with biotic and abiotic factors