8.1 Forests & Their Role on Earth

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Across
  1. 3. medicine, used by 80% of the world’s people are made from plant species
  2. 5. cover 1/3 of Earths land
  3. 7. forests reduce soil erosion and purify water & air
  4. 9. trees that germinate after a fire
  5. 12. managed forests or tree farm
  6. 13. usually burn only undergrowth and leaf litter on the forest floor
  7. 14. land species
Down
  1. 1. an uncut or regenerated forest that has not been seriously disturbed by human activities or natural disasters
  2. 2. this is how forests remove CO2 from the atmosphere
  3. 4. forests provide raw materials for paper products & fuel
  4. 6. develop after the trees in an area have been removed by human activities or by natural forces
  5. 8. intentionally burning a forest
  6. 10. contain chemicals that serve as the basis for most prescription drugs
  7. 11. hot fire that leaps from treetop to treetop burning whole trees