The protonema stage develops from ........,an | vedclass

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Question

(A) In mosses (Bryophytes),the life cycle includes two stages in the gametophyte generation.$1$. The first stage is the protonema stage,which develops

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Haploid spore,secondary protonema

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(A) In mosses (Bryophytes),the life cycle includes two stages in the gametophyte generation.$1$. The first stage is the protonema stage,which develops directly from a haploid spore.$2$. The second stage is the leafy stage,which develops from the secondary protonema as a lateral bud.Therefore,the protonema stage develops from a haploid spore,and the leafy stage develops from the secondary protonema.

The protonema stage develops from $........$,and the leafy stage develops from $........$.

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