The male and female reproductive organs of several pteridophytes and gymnosperms are comparable to floral structures of angiosperms. Make an attempt to compare the various reproductive parts of pteridophytes and gymnosperms with reproductive structures of angiosperms.

(N/A) The comparison of reproductive structures across these plant groups can be summarized as follows:
$1$. Male Reproductive Organs:
- Angiosperms: The stamen consists of an anther and a filament,which produces microspores (pollen grains).
- Pteridophytes: The antheridium produces male gametes (antherozoids).
- Gymnosperms: The male cone (strobili) consists of microsporophylls bearing microsporangia,which produce microspores.
$2$. Female Reproductive Organs:
- Angiosperms: The carpel (pistil) consists of stigma,style,and ovary containing ovules,which house the egg cell.
- Pteridophytes: The archegonium is the female sex organ that produces the egg cell.
- Gymnosperms: The female cone (strobili) consists of megasporophylls bearing ovules,which contain the female gametophyte and egg cell.