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Heterospory i.e., formation of two types of spores – microspores and megaspores is a characteristic feature in the life cycle of a few members of

pteridophytes and all spermatophytes. Do you think heterospory has some evolutionary significance in plant kingdom?


Certain plants which produces two spores are called heterospory.The smaller one, i.e, the microspore bears male gametophytes and the megaspore bears female gametophytes.Therefore, heterospory obvioly has evolutionary significance in plant kingdom.
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