After Fertilization, the Integuments Develop into The

Q44: Which of the following statements about gymnosperms

Q45: In Pinus, the four-celled pollen grain consists

Q46: In gymnosperms, pollination occurs usually by:<br>A)insects.<br>B)water.<br>C)wind.<br>D)birds.<br>E)mammals.

Q47: A seed is composed of a(n) _

Q48: A seed develops into an ovule.

Q50: In gymnosperms, the ovules abort about 95

Q51: In pine, the mature microgametophyte is the

Q52: In the _, ovules are solitary and

Q53: The bifacial vascular cambium evolved first in

Q54: Which of the following questions concerning the