Flatworm, tseem hu ua platyhelminth, ib qho ntawm cov phylum Platyhelminthes, ib pawg ntawm cov mos mos, feem ntau flattened invertebrates. Ib tug nab npawb ntawm kab mob flatworm yog dawb-nyob, tab sis txog 80 feem pua ntawm tag nrho cov flatworms yog kab mob parasitic-i.e., nyob los yog nyob rau hauv lwm yam kab mob thiab ruaj ntseg khoom noj los ntawm nws.
Puas yog cov kab mob cab cab tsis muaj sia nyob?
Ib tug nab npawb ntawm flatworms yog dawb-nyob, tab sis kwv yees li 80 feem pua ntawm tag nrho cov flatworms yog parasitic-ie, nyob rau hauv los yog nyob rau hauv lwm yam kab mob thiab ruaj ntseg khoom noj los ntawm nws.
Npaj npaim twg yog dawb-nyob?
Turbellarians (Planarians; Dawb-Living Flatworms)
- Dugesia, Planaria, thiab lwm yam.
- Ntau tsev neeg hauv chav kawm Turbellaria (free-live flatworms) hauv phylum Platyhelminthes (flatworms)
- Turbellarians, lossis cov neeg npaj, muaj cov phiaj xwm lub cev qub.
Pab twg yog cov kab mob parasitic thiab cov flatworms twg yog cov nyob dawb?
Qee hom yog microscopic, thaum lwm tus yuav ntev li 164 ko taw. Txhua tus tau txais lawv cov npe los ntawm lawv lub cev tiaj tus. Peb hom flatworms yog dawb-nyob, flukes thiab tapeworms. Ob leeg flukes thiab tapeworms yog cov kab mob cab, tso siab rau lwm tus tswv tsiaj kom ciaj sia.
Puas piv txwv ntawm tus kab mob parasitic flatworms?
Cov kab mob cab kab mob muaj xws li flukes (chav Monogenea thiab Trematoda) thiab tapeworms (chav Cestoda). Muaj ntau tshaj 4,000 hom Monogenea, 9,000 ntawm Trematoda thiab 5,000 ntawm Cestoda.