How Ecosystems Change

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