Bio Unit 1
Across
- 3. A planned forest fire to restart the ecosystem
- 5. Someone in charge of prescribed fires.
- 8. The number of organisms an ecosystem can hold.
- 11. The first stage of an ecosystem's restoration after a fire; lichens and fungi.
- 12. The act of bringing back or healing an ecosystem.
- 13. The third stage of an ecosystem after a fire; small trees and shrubs and less grass.
Down
- 1. A foreign organism that overtakes an environment once introduced.
- 2. The number of species in an area.
- 3. A rock covered land with no soil; dry and barren
- 4. The hierarchy of power in an ecosystem
- 6. A region in nature where all the organisms work together.
- 7. The final stage of an ecosystem after a fire; large trees and medium trees, little to no grass.
- 9. The second stage of an ecosystem's restoration after a fire; grass and shrubs growing.
- 10. A soil-covered land with no organisms; devoid of life.