Zoo li cov cnidocytes ntawm cnidarians, colloblasts tau tawm ntawm cov tsiaj ' tentacles, thiab siv los ntes cov tsiaj.
Lub luag haujlwm ntawm colloblasts yog dab tsi?
Ctenophora. Hauv ctenophore: Daim ntawv thiab kev ua haujlwm. … muab nrog cov nplaum nplaum hu ua colloblasts, uas tsuas yog pom ntawm ctenophores. Cov hlwb no tsim cov kua nplaum nplaum, uas cov tsiaj txhu ua raws li kev sib cuag.
Vim li cas comb jellies tsis cnidarians?
Ctenophores, feem ntau hu ua "comb jellies" yuav zoo li jellyfish, tab sis lawv tsim ib pawg sib txawv. … Tsis zoo li jellyfish, ctenophores tsis muaj cov kab mob stingingHloov chaw, lawv tau nruab nrog cov kab mob sib kis, cov nplaum nplaum nplaum uas ntxiab cov tsiaj los ntawm squirting kua nplaum rau lawv.
Puas yog Cnidaria yog Ctenophora?
Cnidaria thiab Ctenophora yog ob hom phyla tsim los ntawm coelenterates. Cnidarians nyob hauv dej hiav txwv thiab dej hiav txwv thaum ctenophores tsuas yog nyob hauv hiav txwv. … Cnidarians nthuav tawm radial symmetry thaum ctenophores nthuav tawm biradial symmetry. Ob leeg muaj tentacles, ncig lawv lub qhov ncauj.
Puas daim txhuam cev puas muaj colloblasts?
Cov tentacles contractile feem ntau muaj sab ceg nrog colloblasts, uas yog tshwj xeeb prey-capturing nplaum hlwb tsuas pom nyob rau hauv ctenophores.
