Cov lus piav qhia ntawm protonemata feem ntau pom muaj nyob hauv txhua qhov muaj mosses thiab qee qhov ntawm lub cev. … Primary protonema yog ib feem tseem ceeb ntawm cov saw no uas yog tsim los ntawm ib tug spore. Secondary protonema tsim los ntawm ib feem ntawm cov neeg laus uas muaj xws li stems, nplooj thiab rhizoids
Yuav ua li cas theem nrab protonema tsim?
Raws li cov dej muaj txiaj ntsig zoo, qhov thib ob protonemata yog tsim los ntawm txhua qhov kev tshem tawm lossis raug mob ntawm gametophore xws li los ntawm qia, nplooj, antheridium, paraphyses thiab archegonium Lub rhizoids ntawm ib nplooj gametophore thaum raug lub teeb nyob rau hauv ib qho chaw moist kuj ua rau lwm yam protonema.
Moss protonema ntawm Moss tsim los ntawm dab tsi?
Cov protonema yog ib qho elongate, xov zoo li cov qauv uas tsim los ntawm cov germinated spore ntawm mosses thiab ib co liverworts.
Tus kab mob thib ob yog dab tsi?
Protonema txhais tau tias yog cov xov zoo li cov xov ntawm cov hlwb. … Primary protonema tsuas yog lub luag hauj lwm rau cov germination ntawm spore thaum theem nrab protonema yog lav rau tag nrho cov kev loj hlob ntawm gametophytic ib feem ntawm cov nroj tsuag.
protonema tsim nyob qhov twg?
Cov protonema, uas loj hlob ncaj qha los ntawm cov kab mob germinating, yog nyob rau hauv mossesib qho kev nthuav dav, cov kab ke ntawm ntau lub xov tooj ntawm tes uas muaj chlorophyll. Qhov theem no pib tsim cov tshuaj hormones uas cuam tshuam rau kev loj hlob ntxiv ntawm cov hlwb tshiab.
