'The female gametophytes are retained on the parent sporophyte of PTERIDOPHYTES.'But how is this possible?Kindly explain.And pls don't spam.
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The megaspores and microspores germinate and give rise to female and male gametophytes, respectively. The female gametophytes in these plants are retained on the parent sporophytes for variable periods. The development of the zygotes into young embryos take place within the female gametophytes. This event is a precursor to the seed habit considered an important step in evolution.
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Complete answer: Pteridophytes are known to reproduce through the production of spores which may be similar or different, hence, termed as homosporous or heterosporous. ... So, the female gametophyte is retained on the parent sporophyte in heterosporous species of pteridophytes.
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