An embryo sporophyte surrounded by nutritive tissue and a tough, protective outer coating makes up a(n) ____.
A) pollen grain
B) spore
C) ovule
D) seed
E) strobilus
Correct Answer:
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Q13: By 250 mya, the seed plants called
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Q15: After pollination delivers sperm to an ovule
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Q19: Which group of plants has the smallest
Q20: In seed plants, meiosis produces _ megaspores,
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A)
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