How are the male and female gametophytes of pteridophytes and gymnosperms different from each other?

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.

What are two types of lyphocytes? How they do differ from each other?

How many nuclei are present in the mature male gametophyte of angiosperms

Fish and snake both have scales. How do these scales differ from each other?

At a stage of their cycle, ascomycetes fungi produce the fruiting bodies like apothecium, perithecium or cleistothecium. How are these three types of fruting bodies different from each other?

How are fungi different from plants?

How are prosthetic groups different from co-factors?

Answer the following How seeds of gymnosperms differ from that of angiosperms?