Deuterostomia, (Greek: "lub qhov ncauj thib ob"), pawg tsiaj-xws li cov phyla Echinodermata (piv txwv li, ntses hnub qub, hiav txwv urchins), Chordata (piv txwv li, hiav txwv squirts, lancelets, thiab vertebrates), Chaetognatha (piv txwv li, arrowworms), thiab Brachiopoda (piv txwv li, teeb plhaub) - cais ua ke raws li kev loj hlob ntawm embryological …
Yuav ua li cas phyla suav tias yog protostomes?
Protostomes suav nrog phyla Mollusca, Annelida thiab Arthropoda. Deterostomes suav nrog phyla Echinodermata, Hemichordata thiab Chordata. Gastrulation hauv protostome thiab deuterostome embryos.
Qhov twg phyla yog deuterostomes thiab uas yog protostomes?
Protostomes suav nrog phyla xws li arthropods, mollusks, thiab annelids. Deuterostomes suav nrog chordates thiab echinoderms. Ob pawg no muaj npe los ntawm qhov qhib ntawm lub plab zom mov ua ntej: qhov ncauj lossis qhov quav.
YPuas yog phylum Cnidaria protostome lossis deuterostome?
Cnidaria yog neither protostomes lossis deuterostome, vim ob qho tib si ntawm cov superphylum no yog rau Bilateria clade ntawm cov tsiaj, cov tsiaj uas nthuav tawm…
Dab tsi yog ob phyla ntawm deuterostomes?
Feem ntau ntawm cov deuterostomes yog ib ntawm ob pawg uas suav nrog feem ntau ntawm nws cov tswv cuab -- cov echinoderms (cov ntses tawv nqaij tawv nqaij ntses, hiav txwv urchins, thiab lawv cov txheeb ze) thiab cov chordates (uas suav nrog ntses thiab lwm yamvertebrates).
