Cov txheej txheem:
- Lub cev kab noj hniav ntawm Coelenterata yog dab tsi?
- Cnidaria puas muaj kab noj hniav?
- Yog coelenterates Acoelomates?
- Vim li cas coelom tsis nyob hauv platyhelminthes?
Video: Puas coelenterata muaj lub cev kab noj hniav?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Lub cev muaj ib qho qhib, lub hypostome, nyob ib puag ncig los ntawm kev hnov tshuaj tsw qab nruab nrog nematocysts lossis colloblasts los ntes feem ntau planktonic prey. Cov tsev pheeb suab no yog ib puag ncig los ntawm cov kab noj hniav dav hu ua kab noj hniav gastrovascular gastrovascular kab noj hniav Nyob rau hauv cnidarians, cov kab mob gastrovascular tseem hu ua coelenteron, thiab feem ntau hu ua " dig muag digut " lossis "dig muag. sac", txij li thaum zaub mov nkag thiab pov tseg los ntawm tib lub qhov ncauj. … Qhov kab noj hniav no tsuas muaj ib qhov qhib rau sab nraud uas, nyob rau hauv feem ntau cnidarians, yog ib puag ncig los ntawm tentacles rau ntes cov tsiaj. https://en.wikipedia.org › wiki › Gastrovascular_cavity
Gastrovascular kab noj hniav - Wikipedia
lossis coelenteron. Kev zom zaub mov yog ob qho tib si intracellular thiab extracellular.
Lub cev kab noj hniav ntawm Coelenterata yog dab tsi?
Coelenterates muaj lub cev qhib lub cev hu ua kab noj hniav.
Cnidaria puas muaj kab noj hniav?
Ib tug cnidarian lub cev yog diploblastic, nrog ob txheej ntawm tes ntawm lub cev phab ntsa sib cais los ntawm mesoglea, thiab qhia radial symmetry. Lub cev kab noj hniav (gastrovascular kab noj hniav) yog lub hnab zoo li tus, nrog ib qho qhib ua raws li ob lub qhov ncauj thiab qhov quav. Qhov qhib no yog ib puag ncig los ntawm tentacles bearing xov hlwb.
Yog coelenterates Acoelomates?
Nws ntseeg tau tias coelenterata muaj coelom, tab sis lawv tsuas muaj ob txheej ntawm cov hlwb: ib qho ua rau cov hlwb sab nraum lub cev, thiab lwm yam ua rau sab hauv lub cev. Uas tsis tuaj yeem tsim cov coelom tiag tiag, yog li nws tsis suav tias yog coelomate.
Vim li cas coelom tsis nyob hauv platyhelminthes?
Platyhelminthes yog triploblasticthiab acoelomate,. i.e., tsis muaj lub cev kab noj hniav. Qhov chaw nruab nrab ntawm ntau yam kabmob muaj cov ntaub so ntswg tshwj xeeb, mesenchyma.
Pom zoo:
Puas yog kab kab kab kab tsuag noj?
Yog, nws muaj kev nyab xeeb tag rau noj weevils, suav nrog qe, larvae, thiab cov neeg laus weevils. Txawm li cas los xij, ib yam li koj xav nrog nqaij, nws tau pom zoo kom koj ua noj ua ntej. Ua noj tua cov kab mob los yog kab mob cab uas muaj nyob rau hauv weevils .
Puas yog cov hniav ntxuav hniav dawb puas rau cov hniav?
Qhov no tau nug lo lus nug "yuav ua li cas ntxuav hniav dawb puas ua rau cov enamel?" Teb zoo! Qhov tseem ceeb ntawm cov hniav, lub dentin, yog ib feem ntawm cov hniav uas yog lub luag hauj lwm rau koj cov hniav xim. Cov hniav ntxuav hniav dawb puas ua rau kuv cov hniav puas?
Lub kab noj hniav twg yuav raug kab nrog cov mucous membrane?
Lub qhov ncauj kab noj hniav yog kab los ntawm cov mucous membrane (lub qhov ncauj mucosa) muaj cov stratified squamous epithelium stratified squamous epithelium A stratified squamous epithelium muaj ntawm squamous (flattened) epithelial hlwb teem nyob rau hauv cov khaubncaws sab nraud povtseg raws li ib tug basal daim nyias nyias Tsuas yog ib txheej yog nyob rau hauv kev sib cuag nrog rau hauv qab daus daim nyias nyias;
Yuav ua li cas tswj kab noj hniav hauv cov hniav?
Kev Tiv Thaiv Txhuam nrog tshuaj txhuam hniav fluoride tom qab noj mov lossis haus dej. … Yuav koj lub qhov ncauj. … Mus ntsib koj tus kws kho hniav tsis tu ncua. … Xav txog kev muab tshuaj txhuam hniav. … Cia dej kais. … Tsis txhob noj khoom txom ncauj ntau zaus.
Lub cev twg thiaj tsim kho lub cev hauv lub cev?
Yuav luag txhua lub cev yog tsim los ntawm kwv yees li 10 lub lis piam tom qab fertilization (uas sib npaug 12 lub lis piam ntawm cev xeeb tub). Cov kev zam yog lub hlwb thiab qaum qaum, uas txuas ntxiv tsim thiab txhim kho thaum cev xeeb tub .
