Plant Evolution

1. In the life cycle of a moss shown above:

A. The gametophyte stage (A or B) _______________

B. The Sporophyte Stage (A or B) ______________

C. The stage which is dominant (Sporophyte or Gametophyte) ___________

2. Match the name to the number on the liverwort above

A. Rhizoids ______________

B. Gemmae cups ______________

C. Sporophyte ______________

D. Anteridium ______________

E. Archegonium______________

F. Thallus ______________

3. Which stage is dominant in the Liverwort, sporophyte or gametophyte?__________

4. In the Fern Life Cycle above:

A. "A" Represents the (Gametophyte or Sporophyte) Stage _______________

B. "B" Represents the (Gametophyte or Sporophyte) Stage _______________

In the fern stage above, identify the following:

5. rhizoids _____________

6. antheridia _____________

7. thallus ____________

8. archegonium ____________

9. What does number 2 do? ________________

10. Is the plant above haploid or diploid? _________________

The above is a life stage of a fern.

11. Which number represents the roots? _______________________

12. Which number shows a fiddle-head? _______________________

13. Which number represents the rhizome? _______________________

14 Which number shows a frond? _______________________

15 Which number indicates a pinnae? _______________________

16. Is the above plant a sporophyte or gametophyte? ______________________

16. Is the above plant diploid or haploid? _________________

17. "A" _______________________

18. "B" _______________________

19. "C" _______________________

20. "D" _______________________

21. "E" _______________________

22. "F" _______________________

23. "G" ______________________

24. "H" ______________________

25. Which stage is dominant in the flowering plants, sporophyte or gametophyte? ______________

26. Which letter represents the male gametophyte? ________________

27. Which letter represents the female gametophyte? ________________

28. Is the ovary of the flower gametophyte tissue or sporophyte tissue? ______________

In the leaf cross section above what number is:

29. Cuticle _________________________

30. Upper epidermis ________________

31. Spongy Layer ___________________

32. Air Chamber ___________________

33. Lower Epidermis ________________

34. Stomata ________________________

35. Guard Cell _____________________

Label the above root section

36. A. _______________________

37. B. _______________________

38. C. _______________________

39. D. _______________________

40. E. _______________________

41. F. _______________________

The cross section of a woody stem.

Find the numbers of the following:

42. Phloem _______________

43. Bark __________________

44. Cork Cambium _________

45. Cork __________________

46. Xylem __________________

47. Vascular Cambium ________