2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Tus larvae no hu ua tadpole larva . Tus larva yog dawb-ua luam dej thiab nthuav tawm txhua yam chordate yam ntxwv. Nws muaj ib tug notochord notochord Nyob rau hauv lub cev, lub notochord yog ib tug saj zawg zog pas nrig tsim los ntawm ib tug zoo xws li cov pob txha mos. Yog hais tias ib hom muaj ib tug notochord ntawm txhua theem ntawm nws lub neej voj voog, nws yog, los ntawm txhais, ib tug chordate. … Nyob rau hauv Lancelets lub notochord txuas ntxiv mus thoob plaws lub neej raws li lub ntsiab yam ntxwv ntawm lub cev. https://en.wikipedia.org › wiki › Notochord
Notochord - Wikipedia
kab mob dorsal hlab ntsha, pharyngeal slits thiab tom qab qhov quav.
Yuav ua li cas yog qhov larval theem ntawm Urochordata?
Nyob rau theem larval, tunicates zoo li me tadpoles. Lawv tuaj yeem ua luam dej thiab muaj tag nrho cov yam ntxwv ntawm chordates - notochord, dorsal paj qaum, pharyngeal slits, thiab tom qab lub qhov quav. Raws li tunicates paub tab, cov ntaub ntawv nplaum nplaum thiab lawv muab lawv tus kheej rau hauv pob zeb lossis lwm qhov chaw ruaj khov.
Puas yog notochord muaj nyob rau hauv Urochordates?
Nyob hauv Urochordata, notochord tam sim no tsuas yog hauv larval tail. … Hauv Cephalochordata, notochord txuas ntxiv los ntawm lub taub hau mus rau tus Tsov tus tw.
Urochordates nquag hu ua dab tsi?
subphylum Urochordata. feem ntau hu ua tunicates lossis hiav txwv squirts. Tag nrho cov urochordates yog cov tsiaj hauv hiav txwv.
tunicate larvae yog dab tsi?
Tunicates yog me me, tab sis dav, cov tsiaj hauv hiav txwv uas muaj nyob rau ntawm phylum Chordata. Yog li ntawd, lubCov kab mob muaj feem xyuam nrog cov vertebrates, txawm tias me ntsis zoo sib xws ntawm lawv tuaj yeem pom hauv cov neeg laus. Cov pab pawg neeg paub zoo tshaj plaws ntawm tunicates yog ascidians, feem ntau hu ua hiav txwv squirts. …
Pom zoo:
Nyob rau hauv angiosperms pollen yog tsim nyob rau hauv anthers ib feem ntawm?
Nyob rau hauv angiosperms, paj ntoos yog tsim los ntawm anthers ntawm the stamens hauv paj. Hauv gymnosperms, nws yog tsim nyob rau hauv microsporophylls ntawm microstrobili (txiv neej paj ntoos cones). Pollen muaj ib los yog ntau tshaj cov noob qoob loo thiab ib lub qe qe.
Nyob hauv chromatography yog dab tsi yog qhov chaw nyob ruaj khov?
Nyob rau hauv nyias txheej chromatography (TLC), cov theem nyob ruaj khov yog txheej nyias ntawm cov khoom, feem ntau yog silica-based, thiab theem mobile yog cov kua hauv cov sib tov ntawm kev txaus siab yog yaj. Nyias-txheej chromatography los nrog qhov zoo ntawm kev yees duab zoo, ua rau nws cov zis yooj yim rau digitize.
Nyob rau hauv vernalisation flowering nyob rau hauv cov nroj tsuag yog?
Vernalization (los ntawm Latin vernus, "ntawm lub caij nplooj ntoos hlav") yoginduction ntawm cov nroj tsuag flowering txheej txheem los ntawm raug rau lub caij txias ntawm lub caij ntuj no, los yog los ntawm ib qho khoom sib npaug.
Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?
Detering yog tus neeg ua liaj ua teb los ntawm Txhua Tus Neeg Tsis Txaus Siabntawm Sab Hnub Poob los ntawm Erich Maria Remarque. Nws muaj siab mos siab muag, tshwj xeeb tshaj yog thaum nws los txog rau nees. Nws muaj kev kub ntxhov loj heev thaum nws hnov cov nees quaj thiab txawm sim tua lawv kom kawg lawv txoj kev txom nyem.
Leej twg yog bennie nyob rau hauv lub raisin nyob rau hauv lub hnub?
Beneatha Younger ("Bennie") Mama tus ntxhais thiab W alter tus muam. Beneatha yog ib tug neeg txawj ntse. Nees nkaum xyoo, nws mus kawm ntawv qib siab thiab kawm tau ntawv zoo dua li lwm cov Tsev Neeg Hluas. Qee qhov ntawm nws tus kheej kev ntseeg thiab kev xav tau ua rau nws nyob deb ntawm niam txiv.
