Question

Describe
heterospory and seed habit in
pteridophytes​

Answer 1

The adoption of heterospory and the retention and germination of a single megaspore within megasporangium to form a female gametophyte, led to the phenomenon of “seed habit”, a characteristic feature of the spermatophytes.

Answer 2

Answer:

Hii,

Explanation:

The adoption of heterospory and the retention and germination of a single megaspore within megasporangium to form a female gametophyte, led to the phenomenon of “seed habit”, a characteristic feature of the spermatophytes.

One of the most important advantages of heterospory is the formation of seed habitat. In homosporous plants, the male and female gametes are formed in the same prothallus. Thus the chance of fertilizing an egg with the sperm of the same prothallus is very high.

Seed habit is considered as the adaptation of heterospory and retention and germination of single megaspore within a megasporangium. It is considered as the most advanced and successful method of sexual reproduction adopted by terrestrial plant mostly.

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