Zoo li cov kab mob flatworms thiab roundworms, annelids yog ob sab symmetrical thiab muaj peb cov ntaub so ntswg Txawm li cas los xij, cov ntaub so ntswg txheej txheej sib txawv hauv txhua pawg ntawm peb cov kab mob (Daim duab 23.16). … Lub cev kab noj hniav ntawm annelids (nrog rau ntau lwm yam tsiaj koj yuav nyeem txog tom qab) yog hu ua coelom coelom Lub coelom (los yog celom) yog lub cev kab noj hniav tseem ceeb hauv cov tsiaj feem ntauthiab yog muab tso rau hauv lub cev los puag ncig thiab muaj lub plab zom mov thiab lwm yam kabmob. Hauv qee cov tsiaj, nws yog kab nrog mesothelium. Nyob rau hauv lwm yam tsiaj, xws li molluscs, nws tseem undifferentiated. https://en.wikipedia.org › wiki › Coelom
Coelom - Wikipedia
worms muaj ntaub so ntswg?
Txhua tus kab mob kuj muaj cov ntaub so ntswg, lub cev, thiab cov kab mob hauv nruab nrog cev. Cov kab mob muaj ob sab symmetry. Tsis zoo li cov sponges lossis cnidarians, worms muaj lub taub hau thiab tus Tsov tus tw.
Puas annelids muaj kab noj hniav?
Zoo tag nrho cov annelids muaj cov kab noj kua dej ntawm lub cev sab nrauv phab ntsa thiab lub plab, thiab qhov no yog hu ua coelom (Daim duab 1). … Hauv lwm qhov annelids tej zaum tsuas muaj ob peb septa faib cov coelom.
Dab tsi yog qhov tshwj xeeb ntawm annelids?
Annelids nthuav tawm ob sab symmetry thiab yog cov kab mob invertebrate. Lawv yog coelomate thiab triploblastic. Lub cev yog segmented uas yog qhov txawv tshaj plaws ntawm annelids.
Yuav ua li cas tag nrho cov annelids muaj?
Txhua tus annelids muaj a worm-shaped, segmented body, tab sis ib qho tseem ceeb sib txawv ntawm lawv yog tus naj npawb thiab koom haum ntawm bristles thiab appendages. Annelids yog ob sab symmetrical, triploblasts, thiab protostomes.
