Nematodes vs Cestodes
Nematodes thiab Cestodes yog pawg cab. Qhov sib txawv tseem ceeb ntawm Nematodes thiab Cestodes yog tias Nematodes yog roundworms whereas Cestodes yog flatworms.
Lub nceeg vaj Animalia muaj ob peb phyla. Phylum Nematoda suav nrog cov kab kab kab, uas yog pseudocoelomates. Phylum Platyhelminthes suav nrog cov kab mob uas flattened dorsoventrally thiab acoelomates. Cestoda yog kab mob cab kab mob ntawm phylum Platyhelminthes.
Nematodes yog dab tsi?
Nematoda yog ib lub phylum ntawm Kingdom Animalia uas muaj xws li cylindrically zoo li worms los yog roundworms. Nematodes yog ob sab symmetrical, ntev thiab nyias, plaub hau zoo li worms. Lawv yog triploblastic thiab muaj lub cev luv luv (pseudocoelom) uas tsis yog qhov tseeb coelom. Nematodes yog cov nyob dawb los yog kab mob cab. Lawv pom muaj nyob rau hauv cov dej nyob ib puag ncig, cov chaw nyob hauv av, lub cev ntawm cov tsiaj thiab cov nroj tsuag thiab lwm yam. Parasitic round worms yog tshwm sim los ntawm ntau yam kab mob xws li elephantiasis, thiab lwm yam. Kab worms los yog pin worms nyob rau hauv tib neeg txoj hnyuv kuj ua rau ntau yam kab mob.
Daim duab 01: Nematodes
Nematodes poj niam txiv neej sib cais, thiab cov txiv neej sib txawv, poj niam tuaj yeem txheeb xyuas. Poj niam worms ntev tshaj li txiv neej worms. Chav kawm Enoplea thiab chav chromadorea yog ob chav kawm ntawm nematodes.
Cestodes yog dab tsi?
Cestoda yog chav kawm ntawm phylum Platyhelminthes ntawm Kingdom Animalia. Cestodes yog parasitic flatworms los yog tapeworms. Cestodes yog obligate parasites nyob rau hauv lub plab ntawm vertebrates. Lawv yog ob sab symmetrical, thiab lawv yog triploblastic. Yog li ntawd, lawv tsis muaj ib tug ua tiav digestive system. Cestodes muaj qhov tshwj xeeb txuas ntxiv hu ua microtriches.
Daim duab 02: Cestodes
Microtriches pab cestodes hauv kev nqus cov as-ham los ntawm tus tswv tsev. Cestodes muaj ntau yam kev sib txuas xws li hooks, tentacles, thiab suckers.
Dab tsi yog qhov zoo sib xws ntawm Nematodes thiab Cestodes?
- Ob Nematodes thiab Cestodes yog pab pawg ntawm Kingdom Animalia.
- Nematodes thiab Cestodes qhia ob sab symmetry.
- ob leeg yog worms.
- Ob hom kab cab: Nematodes thiab Cestodes yog multicellular eukaryotes.
- Cov phyla Nematodes thiab Cestodes tsis muaj tseeb coelom.
- Ob leeg yog cov tsis muaj pob txha. Vim li no, tsis txhob muaj lub nraub qaum.
- Ob Nematodes thiab Cestodes yog triploblastic.
- Nematodes thiab Cestodes yog parasitic.
- Fertilization yog sab hauv ntawm Nematodes thiab Cestodes.
Qhov txawv ntawm Nematodes thiab Cestodes yog dab tsi?
Chasmogamous vs Cleistogamous |
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| Nematodes yog phylum ntawm lub nceeg vaj Animalia suav nrog cov kab cab. | Cestodes yog ib chav kawm ntawm phylum Platyhelminthes nrog rau obligate parasitic flatworms. |
| hom kab mob | |
| Nematodes yog roundworms. | Cestodes yog worms tiaj tus. |
| Nematodes yog cylindrical hauv cov duab. | Cestodes yog flattened dorsoventrally hauv cov duab. |
| Chav / Phylum | |
| Nematodes yog phylum ntawm Kingdom Animalia. | Cestodes yog ib chav kawm ntawm phylum Platyhelminthes ntawm Kingdom Animalia. |
| Zoo digestive system | |
| Nematodes alimentary kwj dej tiav lawm. | Cestodes digestive system tsis tiav. |
| Sexes | |
| Nematodes poj niam txiv neej sib cais. | Cestodes sexes tsis cais. |
| Nature | |
| Nematodes nyob dawb los yog cab. | Cestodes yog obligate parasites ntawm vertibrates. |
| Nematodes yog pseudocoelomates. Lawv muaj ib coelom cuav. | Cestodes yog acoelomates. Lawv tsis muaj coelom. |
| Examples | |
| Ascaris suum, Ascaris lumbricoides, filarias, hookworms, pinworms (Enterobius), thiab whipworms (Trichuris trichiura) yog cov piv txwv ntawm Nematodes. | Taenia solium, Taenia saginata, Diphyllobothrium latum, Hymenolepis nana, Hymenolepis diminuta, Echinococcus granulosus, Echinococcus multilocularis, Spirometra yog cov piv txwv ntawm Cestodes. |
Summary – Nematodes vs Cestodes
Nematodes thiab Cestodes yog pawg cab. Nematoda yog ib lub phylum uas muaj cov kab mob sib kis uas yog pseudocoelomates. Cestodes yog tapeworms los yog flatworms, uas yog acoelomates thiab obligates parasites. Qhov no yog qhov txawv ntawm nematodes thiab cestodes.
