The first evolution of the seed habit occurre | vedclass

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(A) The evolution of the seed habit is a significant event in plant evolution. It first appeared in certain pteridophytes,specifically those belonging

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Pteridophyte ancestors like $Selaginella$

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(A) The evolution of the seed habit is a significant event in plant evolution. It first appeared in certain pteridophytes,specifically those belonging to the genus $Selaginella$. These plants exhibit heterospory (production of two types of spores: microspores and megaspores) and the retention of the megaspore within the megasporangium for a period,which are considered the precursors to the development of the seed habit.

The first evolution of the seed habit occurred in which of the following?

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In pteridophytes,the megaspore germinates to form

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Selaginella differs from Pteris (fern) in which of the following character?

The basal portion of the ligule of $Selaginella$ is hemispherical and is called:

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