Chapters 4-5, 11, 13

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Across
  1. 2. Honeybees are particularly adept at
  2. 5. Insect life cycle begins when a female
  3. 7. Insects are attracted to the
  4. 10. The reason certain types of trees dominate a region is because of a natural process called
  5. 11. At the very tip of the stem is a small knob called the
  6. 14. At one point, what agriculture industry was considered a natural resource
  7. 15. Operations where trees are planted in rows and are given care throughout their growth period are called
  8. 18. The xylem of tree stems provides fiber for making
  9. 20. Which state leads in the production of trees in the US
  10. 22. Many people have contracted diseases because of
  11. 24. One of the greatest contributions our forests make is the large amounts of
  12. 25. Johnsongrass is considered to be a
  13. 26. Plants have been developed that are resistant to
Down
  1. 1. An organic method of keeping pests at bay from our crops
  2. 3. The structure inside the stem that carries the water and nutrients from the roots to the leaves
  3. 4. Most tree roots are
  4. 6. How do we clear land for agriculture?
  5. 8. Insect eggs hatch into wormlike creatures called
  6. 9. What is an example of an organic fertilizer that can also add unwanted bacteria
  7. 11. More than ___ billion trees are planted every year.
  8. 12. Every year cropland is prepared for
  9. 13. The male part of the flower is the
  10. 14. Seeds produced on a plant often are encased in a
  11. 16. Those plants that reproduce sexually have
  12. 17. Organisms that live on other organisms and harm them are called
  13. 19. A substance that kills plants is called a
  14. 21. Young, rapidly growing trees produce more ____ than older trees.
  15. 23. An area where all living and nonliving features depend on each other is often called an