In living seed plants, a megasporangium and its integument together form a(n) ____.
A) seed
B) pollen grain
C) ovary
D) mature ovule
E) immature ovule
Correct Answer:
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Q12: In seedless plants, _ in each megasporangium
Q13: By 250 mya, the seed plants called
Q14: The Mesozoic era was not only the
Q15: After pollination delivers sperm to an ovule
Q16: In seed plants, the transfer of immature
Q18: An embryo sporophyte surrounded by nutritive tissue
Q19: Which group of plants has the smallest
Q20: In seed plants, meiosis produces _ megaspores,
Q21: The _ are the only land plants
Q22: In pine trees, megaspores develop within a(n)
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