Differentiate between homospores and hetersporous pteridophytes with one example of each.

Question

Differentiate between homospores and heterosporous pteridophytes with one example of each.

Answer 1

Difference between heterosporous and homospores pteridophytes :

heterosporous Pteridophytes	Homospores Pteridophytes
These pteridophytes produces two types of spores microspores and megaspores,	These produce only one kind of spores.
Microspore germinate into male gametophyte and megaspore germinate into female gamete,	Each spore germinates into a prothallust that bears both antheridia and archegonia.
E.g. Selaginella and salvinia	E.g. Dryopteris