Spermatangia | biology | Britannica (original) (raw)

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function in red algae

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  In red algae
  …in male sex organs, the spermatangia.
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  In algae: Reproduction and life histories
  …the male gametophyte produces special spermatangial branches that bear structures, called spermatangia, which contain spermatia, the male gametes. The female gametophyte produces special carpogonial branches that bear carpogonia, the female gametes. Fertilization occurs when a male spermatium, carried by water currents, collides with the extended portion of a female carpogonium…
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