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A Prothallus isA. a structure in pteridophytes formed before the thallus developsB. a sporophytic free living structure formed in pterdophytesC. a gametophyte free living structure formed in pterdophytesD. a primitive structure formed after fertilisation in pteridophytes s |
Answer» Prothallus is usually a gametopytic stage in the life of a pteridophyte. Spore germinates to from a prothalium , it is short inconspicuous hert shaped structure with the a number of rhizoids developd beneath and sex organs, archegonium and antheridium. | |