Vim lub cev yog segmented, lub coelom yog segmented, ib yam nkaus thiab. Qhov no ua rau annelids txawv ntawm nematodes, uas muaj pseudocoelom.
Puas yog annelids pseudocoelomates?
Lub xub ntiag lossis tsis muaj Coelom yog qhov tshwj xeeb uas siv los faib cov tsiaj. … Pseudocoelomates muab lawv lub cev kab noj hniav ib nrab los ntawm cov ntaub so ntswg endoderm thiab ib nrab los ntawm mesoderm. Roundworms thiab tsis Annelids yog pseudocoelomates.
Puas annelids muaj tseeb coelom?
Annelids qhia muaj qhov tseeb coelom, muab los ntawm embryonic mesoderm thiab protostomy. Yog li ntawd, lawv yog cov kab mob siab tshaj plaws. Kev tsim kho kom zoo thiab ua tiav txoj kev zom zaub mov muaj nyob hauv cov kab mob hauv av (oligochaetes) nrog lub qhov ncauj, cov leeg nqaij hauv plab, txoj hlab pas, cov qoob loo, thiab cov gizzard tam sim no.
Do annelids puas muaj Pseudocoelomate lub cev npaj?
Pseudocoelomate phyla yog cov rotifers thiab nematodes. … Ntawm cov loj bilaterian phyla, cov molluscs, annelids, thiab arthropods yog schizocoels, nyob rau hauv uas lub mesoderm splits mus rau hauv lub cev kab noj hniav, thaum lub echinoderms thiab chordates yog enterocoels, nyob rau hauv uas lub mesoderm ua raws li ob los yog ntau tshaj buds tawm ntawm lub plab..
Yuav ua li cas tsiaj muaj pseudocoelom?
Dragonfly: Pseudocoelom muaj nyob rau hauv cov tsiaj uas muaj phylum Nematoda lossis Aschelminthes.
