Chapters 4-5, 11-12 Review

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Across
  1. 3. The xylem of tree stems provides fiber for making
  2. 5. Tree farms are largely located in what part of the country?
  3. 6. What type of pollution would agriculture cause?
  4. 10. What can be used to fight weeds that is not herbicide?
  5. 11. Plants that reproduce sexually have
  6. 14. The substance that kills plants is called
  7. 15. The type of resources that can be replaced
  8. 16. The male part of a flower is called
  9. 18. Honeybees are particularly adept at
  10. 19. Formations in sand, rock, or gravel that hold water are
  11. 20. Plants have been bred to be resistant to what?
Down
  1. 1. Johnsongrass is considered to be a
  2. 2. Every year cropland is prepared for
  3. 3. Organisms that live on other organisms and harm them are called
  4. 4. What type of trees produce more oxygen?
  5. 7. What type of what is in streams, lakes and oceans?
  6. 8. Which state leads in Forestry?
  7. 9. What is the management and growing of trees?
  8. 12. The reason for certain types of trees dominate a region is because of a natural process called
  9. 13. At the very tip of the stem is a small knob called the
  10. 17. What is the wearing away of soil by wind, rain and other means?