Txhua tus scyphozoa scyphozoa Lub Scyphozoa yog ib qho tshwj xeeb hauv chav dej hiav txwv ntawm phylum Cnidaria, hu ua jellyfish tiag (los yog "jellies tiag"). Nws tuaj yeem suav nrog cov pob txha pob txha uas ploj lawm Conulariida, uas nws qhov kev sib raug zoo tsis paub tseeb thiab sib cav dav dav. … Scyphozoans muaj nyob txij thaum ntxov Cambrian mus txog rau tam sim no. https://en.wikipedia.org › wiki › Scyphozoa
Scyphozoa - Wikipedia
yog marine, txawm hais tias qee qhov dej tshiab tau tshaj tawm qee zaus. Txawm hais tias muaj ntau hom tsiaj nyob tib neeg lub neej, qee qhov zoo li Aurelia tuaj yeem taug kev hauv shoals ntawm pua pua mus rau txhiab tus neeg ncab ntau ntau mais.
Puas yog comb jellies nyob ib leeg los yog colonial?
Cnidarians suav nrog hiav txwv anemones, corals hydroids, jellies tseeb, thiab ntau dua, thaum ctenophores feem ntau hu ua comb jellies. Cov neeg laus cnidarians coj ib lub polyp los yog ib daim ntawv medusa lub cev, los yog muaj lub neej voj voog uas hloov ntawm ob. Cov kab mob kuj tuaj yeem nyob ib leeg lossis koom nrog.
Puas yog scyphozoa colonial lossis solitary?
Lwm qhov tshwj xeeb uas muaj ntau heev hauv Hydrozoa tab sis tsis raug ntawm Scyphozoa yog koom haum koom nrog. Thaum ob peb hydrozoans, xws li Hydra, yog ib leeg polyps, feem ntau nyob hauv cov cheeb tsam uas ua los ntawm txhua qhov chaw los ntawm ob peb mus rau txhiab tus neeg polyps.
Dab tsi yog tsiaj txhu muaj rau hydrozoa?
Qee yam piv txwv ntawm hydrozoans yog dej tshiabjelly (Craspedacusta sowerbyi), dej tshiab polyps (Hydra), Obelia, Portuguese txiv neej o' tsov rog (Physalia physalis), chondrophores (Porpitidae), "air fern" (Sertularia argentea), thiab liab-hearted hydroids (Tubularia).).
Yuav ua li cas yog qhov tseem ceeb ntawm jellyfish?
hiav txwv jellies Qhov tseem ceeb ntawm lub voj voog ntawm lub neej scyphozoan yog lub medusa, thiab theem polyp, hu ua Scyphistoma, txo qis heev hauv qhov loj thiab ntev.