The gametophyte of mosses has two stages.During the first stage,there is a branching of filament cells called the

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The branching filament cells during the first stage of the moss gametophyte is called the protonema. The antheridium and archegonium are structures formed on the mature gametophyte for the production of male and female gametes, respectively. Rhizoids are root-like structures that anchor the moss to the substrate. Sori are structures found in ferns, not mosses.

The Gametophyte of Mosses Has Two Stages