2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ferns los ntawm 'Noob' Ferns reproduce by txhais tau tias spores, ib yam khoom zoo li plua plav tsim nyob rau hauv capsules hu ua sori nyob rau hauv qab ntawm nplooj fern, los yog frond. Ntau hom ferns muaj lawv cov spores hauv cov qauv sib txawv. Thaum cov spores siav, lawv tawm ntawm cov tshuaj ntsiav.
Pob fern puas rov tsim dua los ntawm kev ua cov noob?
Cov nroj tsuag xws li ferns thiab mosses yog hu ua cov nroj tsuag tsis muaj paj thiab tsim cov spores es tsis yog cov noob. Kuj tseem muaj lwm pab pawg hu ua Fungi, uas suav nrog nceb, thiab cov no kuj tsim tawm los ntawm spores. … Cov txheej txheem no qee zaum hu ua cloning vim tias txhua tsob ntoo tshiab zoo ib yam li niam txiv.
Ntau cov ferns reproduced los ntawm kev hloov ntawm tiam, alternating successive tiam ntawm kev sib deev thiab asexual forms. … Qhov thib ob daim ntawv ntawm asexual reproduction tshwm sim los ntawm spores. Cov ntawv no nyob rau hauv qab ntawm nplooj hauv pawg ntawm cov kab mob hu ua sporangia, los yog sori (singular, sorus).
ferns yuav ua li cas yug ib txwm?
Reproduction by Spores Nroj tsuag peb pom li ferns lossis horsetails yog tiam sporophyte. Cov sporophyte feem ntau tso tawm spores thaum lub caij ntuj sov. Spores yuav tsum tsaws rau ntawm qhov chaw tsim nyog, xws li thaj chaw tiv thaiv noo kom tawg thiab loj hlob mus rau gametophytes.
Puas noob ferns puas muaj noob?
Cov noob ferns yog ib pawg ntawm cov nroj tsuag uas ploj lawmpaub technically li Pteridospermales. Raws li qhia los ntawm lawv lub npe, cov noob ferns muaj nplooj uas zoo li fern zoo li, thiab lawv rov tsim dua los ntawm kev ua cov noob. … Ua ntej, cov noob ferns rov tsim dua los ntawm kev ua cov noob, whereas ferns rov tsim dua los ntawm kev ua spores.
Pom zoo:
Yuav ua li cas sau ntawv thiab yuav ua li cas?
Tab sis tiag tiag, sau ntawv tsuas yog txhais tau tias tso tseg me ntsis nyob ntsiag to, tsis muaj sijhawm los zaum thiab xav txog koj lub neej. Nws tuaj yeem yog los ntawm kev sau cov ntaub ntawv ntawm qhov koj tau ua hnub ntawd; los ntawm venting txog ib yam uas koj tsis tuaj yeem tawm ntawm koj lub siab;
Puas yog fern britton sib yuav?
Fern Britton yog tus sau lus Askiv thiab tshaj tawm xov xwm. Nws tau koom ua ke nthuav qhia Lub Sijhawm Noj tshais hauv xyoo 1980s, los rau hauv lub tebchaws tseem ceeb thaum ua noj ua haus ua yeeb yam qhia txog Npaj Ua Noj Ua Si ntawm 1994 thiab 2000 ntawm BBC One.
Yuav ua li cas felicity thiab Oliver yuav tau sib yuav?
Thiab ua ntej Digg - "Kuv yog tus txiv neej uas tau rau xyoo dhau los tau sim ua kom koj ob leeg ua ke. Nws tsuas yog haum uas kuv yuav koj" - Oliver thiab Felicity thaum kawg khi lub pob. Oliver thiab Felicity tau sib yuav?
Puas yog fern britton tseem sib yuav?
Fern Britton tau qhib tom qab nws sib cais los ntawm nws tus txiv thiab nws niam nws txiv poob. Lub hnub qub yav sawv ntxov no tshaj tawm nws txoj kev sib cais los ntawm TV kws ua zaub mov Phil Vickery thaum Lub Ib Hlis 2020 tom qab 20 xyoo kev sib yuav.
Yuav ua li cas yuav raug puas tsuaj txhais li cas?
Kev xav ntawm kev puas tsuaj yog kev xav lossis kev xav tias muaj qee yam kev nyuaj siab tab tom yuav tshwm sim. Nws tsis yog qhov txawv txav uas xav tias yuav muaj kev puas tsuaj thaum koj nyob hauv qhov xwm txheej hnyav, xws li kev puas tsuaj ntuj los yog kev sib tsoo.
