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Which one of the following is considered important in the development of seed habit?

1. Heterospory
2. Haplotonic life cycle
3. Free-living gametophyte
4. Dependent sporophyte

Correct answer: Heterospory

Solution

Heterospory is important because it produces microspores and megaspores, a key step toward the evolution of seeds. This separation of sexes and retention of the megaspore/gametophyte in the parent plant supports seed habit.

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