Chapter 18: Gymnosperms


Living Gymnosperms; p. 437; moderate; ans: d



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Chapter 18-final
Chapter 17-final
19. Living Gymnosperms; p. 437; moderate; ans: d

Polyembryony is common in gymnosperms because a(n):


a. seed produces several ovules.

b. ovule produces several megasporangia.

c. megasporangium produces several megaspores.

d. megagametophyte produces several archegonia.

e. archegonium contains several eggs.
20. Phylum Coniferophyta; p. 437; easy; ans: b

Which of the following statements about conifers is FALSE?


a. They belong to the phylum Coniferophyta.

b. Their leaves have humidity-resistant features.

c. They are the most ecologically important gymnosperms.

d. They include the pines, firs, and spruces.

e. The tallest vascular plant is a conifer.



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