Ecological Succesion

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Across
  1. 3. Second stage of ecological succession
  2. 6. Happens after a disturbe in an ecosystem that keeps the soil existing
  3. 8. Change of grassland ecosystem to a desert ecosystem
  4. 10. Ecological Process of regenerating over time.
  5. 11. The species that is the first to “colonize” an ecosystem on primary succession
  6. 12. Third stage of ecological succession
Down
  1. 1. Knowledge of Indigenous people
  2. 2. Happens when the soil is “new”. It takes longer than the alternative;
  3. 4. Terrain or thin layer of material covering the earth's surface
  4. 5. First stage of ecological succession
  5. 7. Effects that humans causes on the ecosystem changes.
  6. 9. More grazing animals (Sheep and cattle) than the carrying capacity for them at the ecosystem.