Question

The heterosporous pteridophytes exhibit certain characterstics which are precursors to the seed habits in gymnosperms. Explain

Answer 1

✔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:

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.

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.

Answer 2

$<u>$THE HETEROSPOROUS PTERIDOPHYTE SHOW CERTAIN CHARACTERISTICS , WHICH ARE PRECURSOR TO THE SEED HABIT OF GYMNOSPERM .EXPLAIN:Heterosporous pteridophytes are the plants that produce two types of spores i.e. microspores and megaspores.