Lawv feem ntau muaj lub raj- lossis lub khob zoo li lub cev nrog ib qho qhib ringed nrog tentacles uas dais stinging hlwb (nematocysts).
Yuav ua li cas coelenterates txav?
Txawm hais tias qee qhov, xws li cov coral thiab hiav txwv nplawm, yog qhov tsis muaj tseeb, feem ntau cov coelenterates muaj peev xwm ntawm qee hom kev txav, xws li nkag mus rau ntawm lub pedal disc thiab burrowing kom ua luam dej dawb. Coelenterates suav nrog ob hom marine thiab dej tshiab.
Tus yam ntxwv ntawm coelenterates yog dab tsi?
yam ntxwv. Tag nrho cov coelenterates yog dej, feem ntau yog marine. Lub cev yog radially symmetrical, diploblastic thiab tsis muaj coelom. Lub cev muaj ib qho qhib, lub hypostome, nyob ib puag ncig los ntawm kev hnov cov ntaub so ntswg uas nruab nrog nematocysts lossis colloblasts los ntes feem ntau planktonic prey.
Vim li cas coelenterates hu ua cnidarians?
Coelenterates hu ua Cnidarians vim lawv muaj cov hlwb tshwj xeeb hu ua cnidoblasts. Lawv muaj cov kab mob hu ua nematocysts.
Cnidarians ntes lawv cov tsiaj li cas?
Txhua tus Cnidarians muaj tentacles nrog stinging hlwb nyob rau hauv lawv cov lus qhia uas yog siv los ntes thiab tua tsiaj. Qhov tseeb, lub npe phylum "Cnidarian" txhais tau tias "stinging creatures." Cov kab mob stinging hu ua cnidocytes thiab muajtus qauv hu ua nematocyst.
