Kev loj hlob ntawm poj niam gametophyte yog endosporic. Lub megaspore megaspore Angiosperms nthuav tawm peb tus qauv ntawm megasporogenesis: monosporic, bisporic, thiab tetrasporic, tseem hu ua Polygonum hom, hom Alisma, thiab hom Drusa, raws li. … Yog li ntawd, txhua tus qauv ua rau ib qho kev ua haujlwm megaspore uas muaj ib, ob, lossis plaub lub meiotic nuclei, raws li. https://en.wikipedia.org › wiki › Megaspore
Megaspore - Wikipedia
develps mus rau hauv poj niam gametophyte uas tau khaws cia tas mus li hauv megasporangium (ovule). Tus poj niam gametophyte yog nyob ruaj khov thiab nyob ib puag ncig los ntawm nucellus ntawm ovuule thiab nrov npe hu ua embryo sac.
Endosporic kev loj hlob yog dab tsi?
Endosporic txoj kev loj hlob yog cov txheej txheem uas hloov zuj zus ua ntej cov txheej txheem cog qoob loo thiab tseem siv los ntawm ntau hom kab mob, piv txwv li, feem ntau ferns. … Homosporous endosporic txoj kev loj hlob yog qhov tseem ceeb ua ntej rau cov nroj tsuag niaj hnub no, uas ua rau pom kev loj hlob heterosporous endosporic.
Endosporic germination yog dab tsi?
In endosporic germination, cov spore protoplast faib nyob rau hauv cov phab ntsa spore, tsim ib tug multicellular qauv. Cov protonema tsim nyob rau hauv lub stretched spore phab ntsa.
Endosporic thiab Exosporic yog dab tsi?
ENDOSPORIC: kev loj hlob ntawm gametophyte nyob rau hauv lub spore raws li nyob rau hauv cov noob nroj tsuag EXOSPORIC: gametophte tsim tawm sab nraum lub spore phab ntsa xws li: dawb nyob multicellular gametophyte.
Endosporic kev loj hlob ntawm poj niam gametophyte yog dab tsi?
Ib gametophyte uas develops hauv ib spore. Piv txwv li, tus poj niam gametophyte ntawm Selaginella muaj nyob rau hauv megaspore thiab thaum loj hlob tsuas yog ib feem, bearing archegonia, yog nthuav tawm los ntawm cov phab ntsa spore.
