Question

What is heterospory briefly comment on its significance.Give to exammplle?

Answer 1

Answer:

Crocodiles cross the line of your name on

Answer 2

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❤. HETEROSOPORY ❤

⭐. Production of two kinds of spores on the same plant is called "heterospory".

Ex : selaginella ,salvinia.

❤. SIGNIFICANCE ❤

⭐. Two types of spores are seen

1. Microspores - germinate into male gametophyte.

2. Megaspores - germinate into female gametophyte.

⭐. Sex organ in male gametophyte is Antheridia. It gives antheroids as male gamets.

⭐. Sex organ in female gametophyte is Archegonia. It produces egg as female gamets.

⭐. Fusion of Antherozoids to egg results zygote.

⭐. Developement of zygore into young embryo takes place within the female gametophtytes.

⭐. This event is precursor to the seed habit. This is considered as important step in evaluation.