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. …
