Question

the heterosporous pteridophytes exhibit certain characteristics which are precursors to the Seed habit in gymnosperms.explain.​

Answer 1

Answer:

in pteridophytes all spores are of different size so they are called heteriosporous the spores germinate to give rise to make and female gametophytes and in female gametophytes zygotes get formed which is a precursor to the seed habit in gymnosperms

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Answer 2

Hi mate.......❣️❣️

✔Heterosporous pteridophytes are the plants that produce two types of spores i.e. microspores and megaspores. These plants posses some of the characteristics which are precursors of the seed habit and these are:

1. Retention of the female gametophyte within the megasporangium on the parent plant for proper parental care of new embryo.

2. Development of the zygote inside the female gametophyte.