2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cnidaria thiab Ctenophora yog ob hom phyla tsim los ntawm coelenterates. … Cnidarians nthuav tawm radial symmetry thaum ctenophores nthuav tawm biradial symmetry. Ob leeg muaj tentacles, ncig lawv lub qhov ncauj. Qhov sib txawv tseem ceeb ntawm cnidarians thiab ctenophores yog lawv lub cev symmetry.
Qhov txawv ntawm Coelenterata thiab Ctenophora yog dab tsi?
Coelenterata muaj ob lub subphyla uas yog cnidaria thiab Ctenophora. Lawv yog cov kab mob hauv dej. Cnidaria yog ib pawg neeg sib txawv heev, uas yog qhov txawv txav hu ua cnidocytes. Ctenophora yog ib pawg tsawg dua, uas muaj comb daim hlau.
Puas Ctenophora yog symmetry?
Ctenophores tsis muaj radial lossis ob sab sib npaug, lawv muaj qhov sib npaug. Tsis muaj lub dav hlau uas faib lawv mus rau hauv daim iav duab, xws li cov tsiaj uas muaj ob sab lossis radial symmetry.
Vim li cas ctenophores tsis nyob hauv cnidarian phylum lawm?
Tsis zoo li cnidarians, uas lawv sib koom ntau qhov zoo sib xws, lawv tsis muaj kab mob. Hloov chaw, txhawm rau txhawm rau ntes cov tsiaj, ctenophores muaj cov nplaum nplaum hu ua colloblasts. Hauv ob peb hom, tshwj xeeb cilia hauv lub qhov ncauj yog siv rau tom gelatinous prey.
Dab tsi yog qhov sib txawv ntawm jellyfish thiab ctenophores?
Ctenophores kuj txawv ntawm jellyfish nyob rau hauv uas lawv tsis tas yuav muaj tentacles; thiab thaum lawv ua, cov no tsis nyob ntawm qhov kawg ntawm lub cev,tab sis tau hauv paus rau nws qhov chaw.
Pom zoo:
Kev cob qhia puas kho qhov teeb meem ntawm kev sib raug zoo ntawm tus kheej?
Teeb meem nrog kev sib raug zoo ntawm tus kheej feem ntau tiv thaiv cov neeg ua haujlwm kev cob qhia los ntawm kev hloov tus cwj pwm. Txhawm rau txhim kho kev sib raug zoo ntawm tus kheej (kev nyab xeeb ntawm lub hlwb), koj yuav tsum muaj kev cob qhia rau cov neeg ua haujlwm tsom mus rau kev txhim kho kev sib raug zoo ntawm tus kheej.
Puas yog kev sib ntaus sib tua ntawm kev sib ntaus sib tua?
Kev sib ntaus sib tua ntawm Hastings, uas Anglo-Saxon huab tais Harold II tau sim tiv thaiv nws lub tebchaws los ntawm kev tawm tsam ntawm William, duke ntawm Normandy (tom qab hu ua William tus Conqueror), tau tshwm sim rau 14 October 1066.
Puas muaj qhov sib piv sib piv nrog qhov ntsuas kub?
Boyle's Txoj cai yog kev sib raug zoo ntawm lub siab thiab ntim. Hauv qhov kev sib raug zoo no, lub siab thiab qhov ntim muaj qhov sib txawv ntawm qhov sib txawv thaum qhov kub thiab txias yog nyob tas li. … Lub siab thiab qhov kub thiab txias yuav nce los yog txo ib txhij yog tias qhov ntim tau tas li.
Puas piv thiab sib piv cov lus sib piv?
Cov lus sib piv thiab qhov sib txawv yog synonyms, tab sis txawv ntawm nuance. Tshwj xeeb, sib piv txhais tau hais tias lub hom phiaj ntawm kev qhia tus txheeb ze muaj txiaj ntsig lossis kev ua tau zoo los ntawm kev nthuav tawm cov yam ntxwv zoo txawm tias zoo sib xws lossis sib txawv.
Dab tsi ntawm cov hauv qab no yog piv txwv ntawm kev sib raug zoo rau kev ua txhaum?
Qhov piv txwv classic ntawm kev sib raug zoo tsis sib npaug ntawm qhov ua rau tuaj yeem pom nrog ice cream thiab -- tua neeg. Ntawd yog, tus nqi ntawm kev ua phem txhaum cai thiab tua neeg tau paub tias dhia thaum muag khoom khov ua. Tab sis, xav tias, muas ice cream tsis tig koj mus rau hauv ib tug neeg tua neeg (tshwj tsis yog lawv tsis yog yam koj nyiam?
