Ib tug flatworm muaj nyias, dorsoventrally flattened lub cev. Roundworms yog ntau cylindrical hauv cov duab thiab tapered mus rau qhov zoo ntawm ib kawg. Ib yam li ntawd, cov kab mob roundworms muaj ib txheej txheej txheej hu ua cuticle uas lawv tau rov ua dua thoob plaws hauv lawv lub neej thiab thaum lawv loj hlob.
nqe lus twg yog qhov tseeb ntawm ob qho tib si flatworms thiab roundworms?
Flatworms yog pseudocoelomates, txhais tau tias lawv tsis muaj lub cev sab hauv. Dab tsi yog qhov tseeb ntawm flatworms thiab roundworms? Lawv ob leeg muaj radial symmetry. Nkawv ob leeg muaj ob sab symmetry.
Dab tsi yog kab kab kab thiab kab kab kab sib cais muaj nyob rau hauv cov lus nug?
Cov kab mob roundworms muaj dab tsi? Lawv muaj lub cev cylindrical, zoo li me me spaghetti, digestive system zoo li lub raj. Dab tsi yog segmented worms muaj cov yam ntxwv? Lawv muaj lub cev ntev, nqaim, nrog ntau ntu txuas.
Puas yog roundworms uas tsis muaj cov leeg quizlet?
Qhia txog kev txav ntawm cov kab mob roundworms. Thrashing txav. Cov tsis muaj cov leeg ncig, lawv tsuas muaj cov leeg uas khiav ntev ntawm lawv lub cev; yog li ntawd, lawv tsoo.
Cov kab mob flatworms thiab roundworms muaj dab tsi?
Flatworms lub cev yog tiaj thiab mos li jelly. Qee cov kab mob xws li planarians, flukes, thiab tapeworms. … Tsis zoo li flatworms los yog cnidarians, roundworms muaj lub raj zoo li lub plab zom mov uasmuaj ob qhov qhib. Cov zaub mov nkag los ntawm lub qhov ncauj thiab cov khoom pov tseg tawm mus rau lwm qhov kawg ntawm lub plab zom mov.
