In the case of heterosporous pteridophytes,th | vedclass

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(A) Heterosporous pteridophytes,such as $Selaginella$ and $Marsilea$,produce two types of spores: microspores and megaspores.Microspores germinate to

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Always dioecious

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(A) Heterosporous pteridophytes,such as $Selaginella$ and $Marsilea$,produce two types of spores: microspores and megaspores.Microspores germinate to form the male gametophyte,while megaspores germinate to form the female gametophyte.Since the male and female gametophytes develop from separate spores,the gametophyte is always dioecious.

In the case of heterosporous pteridophytes,the gametophyte is:

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