WebThe pteridophytes are found in cool, damp, shady places though some may flourish well in sandy-soil conditions. You may recall that in bryophytes the dominant phase in the life cycle is the gametophytic plant body. However, in pteridophytes, the main plant body is a sporophyte which is differentiated into true root, stem and leaves (Figure 3.3). WebJun 6, 2013 · some heterosporous ferns and Equisetum. ... microgametophyte – in heterosporous pteridophytes, a male . gametophyte borne within a microsporangium and bearing one or . more antheridia.

(PDF) PTERIDOPHYTES (Lycophytes and Ferns) - ResearchGate

WebFeb 25, 2024 · In contrast, heterospory refers to the production of dimorphic spores of two sizes and two sexes. Bryophytes and the majority of pteridophytes produce only one kind … http://files.differencebetween.com/wp-content/uploads/2024/01/Difference-Between-Homosporous-and-Heterosporous-Pteridophytes.pdf how many defeats did blair have

[Solved] In which of the following examples, heterospory is found:

WebThe life cycle we have just discussed pertains to homosporous pteridophytes. However, a few groups have two types of spores and are said to be heterosporous. Heterosporous … http://files.differencebetween.com/wp-content/uploads/2024/01/Difference-Between-Homosporous-and-Heterosporous-Pteridophytes.pdf WebSome "heterosporous" pteridophytes give rise to two types of spores: large, female spores called megaspores and small male spores called microspores. how many defenders have won the ballon d\u0027or