1. STEM REVIEW

2. 1. Name the 3 Primary Functions of Stems A. B. C.

3. 2.Name the type of stem illustrated in the diagram. 3.Explain how you determined the type of cross section observed. 4.Give an example of a plant with this cross section.

4. 5. Name the structure labeled “A” 6. What is the function of this structure? 7. Farmers commonly attach wire fencing to trees. Explain why the fence would be at the same height many years later.

5. 8.A written set of choices that leads to an organisms name is called a _______________key. 9.Name 5 characteristics of a twig that can be observed that help identify a species of tree.

6. 10. Name the cells labeled “A”. 11. Name the cells labeled “B”. 12. What is the function of “B”? 13. What is the function of “A” A. B.B.

7. 14. Identify the structure labeled “I”. 15. Give the definition for this structure. 16. Identify the structure labeled “J”. 17. Give the definition of this structure.

8. 18. Name the type of stem illustrated in the diagram. 19. Explain how you determined the type of cross section. 20. Identify the yellow cells within the bold black circles. 21. What is the function of the yellow cells?

9. 22. Identify the structure labeled “A”. 23. The pattern of dots with in the structure is called the ______________. 24. The dots are actually__________. 25. How can structure “A” help identify a tree? A

10. 26. Name the area labeled “A” and describe. 27. Name the area labeled “B” and describe. 28. Name type of cells that make up “A” and “B”. 29. What is the common name for the cells? A B

11. 30. Explain how a hollow tree can still be alive when hollow in center. 31. What is girdling?

12. 32. C. Name 3 types of information that can be obtained from studying tree rings.

13. 33.

14. A.Name the type of wood labeled “A”. B.Name the type of wood labeled “B”. C.These 2 types of wood make an ____________________. D.Name an environmental factor that can affect the width of annual ring. E.Give the age of this cross section. A B 34.

15. 35.

17. 36. A

18. 37.