Annelids tso saib bilateral symmetry thiab yog cov cab zoo li hauv tag nrho morphology. Annelids muaj segmented lub cev txoj kev npaj nyob rau hauv thiab sab nraud morphological nta tau rov ua dua nyob rau hauv txhua lub cev ntu. Metamerism tso cai rau tsiaj kom loj dua los ntawm kev ntxiv "compartments" thaum ua kom lawv txav tau zoo dua.
Puas annelids puas muaj radial lossis ob sab symmetry?
Porifera (tsis muaj symmetry) Cnidaria (radial) Annelida (bilateral)
Annelida yog dab tsi?
qib Taxonomic: phylum Annelida; Qib ntawm kev tsim kho: cov khoom nruab nrog cev tau los ntawm peb cov ntaub so ntswg; symmetry: bilateral; hom plab: ua tiav nrog qhov quav; hom kab noj hniav ntawm lub cev uas tsis yog lub plab: coelom; segmentation: tam sim no; circulatory system: kaw qhov system; lub paj hlwb: lub paj hlwb, nrog cov hlab ntsha thiab pob (ganglia); …
Puas annelids asymmetrical?
None, lawv asymmetrical.
Are annelids Acoelomates?
Cov protostome coelomates (acoelomates thiab pseudocoelomates kuj yog protostomes) suav nrog cov mollusks, annelids, arthropods, pogonophorans, apometamerans, tardigrades, onychophorans, phoronids, brachiopods, thiab brozozoans. Deuterostomes suav nrog chaetognaths, echinoderms, hemichordates, thiab chordates.
