The major difference between angiosperms and gymnosperms comes from the _____.

The major difference between angiosperms and gymnosperms comes from the _____.


a) presence or absence of vascular structures
b) dominance or lack of dominance of the sporophyte generation
c) production of microspores versus megaspores
d) presence or absence of alternation of generations
e) presence or absence of a protective covering over the ovule


Answer: E


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