: ib yam ntawm cov spores hauv heterosporous heterosporous Megaspores, tseem hu ua macrospores, yog ib hom kab mob uas muaj nyob rau hauv heterosporousnroj tsuag. Cov nroj tsuag no muaj ob hom spores, megaspores thiab microspores. Feem ntau hais lus, lub megaspore, los yog loj spore, germinates rau hauv ib tug poj niam gametophyte, uas tsim qe hlwb. https://en.wikipedia.org › wiki › Megaspore
Megaspore - Wikipedia
cov nroj tsuag uas ua rau txiv neej gametophytes thiab feem ntau me dua megaspore.
microspore hauv biology yog dab tsi?
Nyob hauv botany, microspore hais txog rau cov kab mob uas tsim los ntawm sporophytes. Nws yog haploid thiab ua rau tus txiv neej gametophyte. Metagenesis lossis kev hloov ntawm ntau tiam neeg koom nrog kev hloov ntawm lub neej theem hauv lub neej voj voog ntawm cov nroj tsuag. … Thiab cov microspore tsim tshwj xeeb rau hauv ib tug txiv neej haploid gametophyte.
microspore thiab Chivkeeb yog dab tsi?
Qhov no yog txhua yam nyob rau hauv lo lus: micro- txhais tau tias "me me," sporo hais txog spores, thiab genesis hais txog kev tsim lossis tiam. Yog li, microsporogenesis yog tsim ntawm me me spores hauv cov nroj tsuag. … Txhua plaub lub spores me me no ces dhau los ua ib tug txiv neej pollen nplej.
lwm lub npe ntawm microspore yog dab tsi?
gametophyte, qhov me me (microspore) rau txiv neej. Cov mob no yog hu ua heterospory. Cov gametophytes, lossis prothalli, ntawm lwm cov qws mossesthiab feem ntau horsetails thiab ferns yog kev sib deev tsis txawv thiab tshwm sim los ntawm ib hom spores, ib yam mob hu ua homospory.
Qhov txawv ntawm megaspore thiab microspore yog dab tsi?
sporangia; qhov loj dua spore (megaspore) ua rau cov poj niam gametophyte, qhov me me (microspore) rau tus txiv neej. … Qhov ntau thiab tsawg, qhov loj dua li megaspores thiab me me li microspores. Cov megaspores loj hlob mus rau hauv poj niam gametophytes thiab microspores rau txiv neej gametophytes.
