In which gymnosperms do multiflagellated sperm swim to an archegonium?
A) None
B) Ginkgo only
C) Gnetophytes only
D) Cycads only
E) Ginkgo and cycads
Correct Answer:
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Q3: Which extinct gymnosperms resembled modern cycads?
A)Seed ferns
B)Cordaitales
C)Bennettitales
D)Ophioglossales
E)Trimerophytes
Q4: Which of the following statements about gymnosperms
Q5: Which of the following questions concerning the
Q6: _ produce nonmotile sperm.
A)Conifers and gnetophytes
B)Conifers and
Q7: After fertilization, the integuments develop into the:
A)seed
Q9: A micropyle is a(n):
A)nutritive structure of the
Q10: In which of the following groups is
Q11: The fossil record indicates that the integument
Q12: Polyembryony is common in gymnosperms because a(n):
A)seed
Q13: Just before fertilization, a gymnosperm ovule contains:
A)an
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