In the pine life cycle, microspores are produced in ____ and develop into ____.
A) microsporangia of pollen cones; pollen
B) microsporangia of ovulate cones; ovules
C) microsporangia of pollen cones; megaspores
D) microsporangia of pollen cones; zygotes
E) megasporangia of ovulate cones; eggs
Correct Answer:
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Q20: In seed plants, meiosis produces _ megaspores,
Q21: The _ are the only land plants
Q22: In pine trees, megaspores develop within a(n)
Q23: The cycad lineage probably arose from _.
A)
Q24: The _ phylum contains one living vascular,
Q26: About 80% of all living gymnosperm species
Q27: In pines, the mature male gametophyte is
Q28: The oldest well-documented flowering plant fossils date
Q29: Which trait is a characteristic of most
Q30: One of the two main angiosperm clades,
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