Video: Lub ntsiab lus ntawm Internal fertilization yog dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Internal fertilization yog kev sib koom ua ke ntawm lub qe qe nrog cov phev thaum muaj kev sib deev hauv cov poj niam lub cev. Kom qhov no tshwm sim yuav tsum muaj txoj hauv kev rau tus txiv neej los qhia cov phev rau tus poj niam txoj kev ua me nyuam.
Tsis tas li ntawd, koj txhais li cas los ntawm sab hauv thiab sab nraud fertilization?
Internal fertilization yog thaum tus txiv neej tso nws cov phev ncaj qha rau hauv tus poj niam lub cev. Sab nraud fertilization yog thaum txiv neej thiab poj niam lub gametes sib sau ua ke sab nraum tus poj niam lub cev. qhov sib txawv ntawm sab hauv thiab sab nraud fertilization.
Tsis tas li ntawd, dab tsi yog qee qhov piv txwv ntawm kev hloov chaw sab nraud? Salmon, cod, trout, thiab char yog tag nrho piv txwv ntawm cov zib li sab nraud fertilize . Cov poj niam thiab txiv neej ob leeg tso lawv gametes rau hauv cov dej, qhov twg lawv diffuse ua ke thiab fertilize.
Ib sab saum toj no, ua li cas fertilization nyob rau hauv?
Internal Fertilization Hauv oviparity, fertilized qe tau tso rau sab nraum tus poj niam lub cev thiab txhim kho nyob ntawd, tau txais kev pab los ntawm cov qe uas yog ib feem ntawm lub qe. Qhov no tshwm sim Nyob rau hauv feem ntau cov ntses pob txha, ntau cov tsiaj reptiles, qee cov ntses cartilaginous, feem ntau amphibians, ob hom tsiaj, thiab tag nrho cov noog.
Kev fertilization sab nraud tuaj yeem tshwm sim hauv tib neeg?
Kev sib deev luam tawm pib nrog kev sib xyaw ntawm phev thiab qe hauv tus txheej txheem hu ua fertilization . Qhov no tuaj yeem tshwm sim los yog sab hauv ( sab hauv fertilization ) lossis sab nraum ( sab nraud fertilization ) lub cev ntawm tus poj niam. Tib neeg muab piv txwv ntawm tus qub whereas seahorse luam tawm yog ib qho piv txwv ntawm tom kawg.
Pom zoo:
Cov ntsiab lus dab tsi yog npau suav zais cov ntsiab lus?
Cov ntsiab lus nthuav tawm yog cov ntsiab lus tseeb, lossis zaj dab neeg, ntawm kev npau suav. Cov ntsiab lus tsis txaus ntseeg, ntawm qhov tod tes, hais txog lub ntsiab lus zais ntawm npau suav
Lub hauv paus ntsiab lus ntawm lo lus qaug dab peg yog dab tsi?
Seizure (n.) 'act of seizing,' lig 15c., los ntawm seize + -ure. Lub ntsiab lus 'kev mob tshwm sim tam sim ntawd' tau lees paub los ntawm 1779
Dab tsi yog ob lub fertilization piav qhia txheej txheem ntawm ob zaug fertilization?
Ob chav fertilization yog ib tug complex fertilization mechanism ntawm flowering nroj tsuag (angiosperms). Cov txheej txheem no koom nrog cov poj niam gametophyte (megagametophyte, tseem hu ua embryo sac) nrog ob tug txiv neej gametes ( phev ). Qee cov nroj tsuag tuaj yeem tsim polyploid nuclei
Puas yog fertilization yog lub ntsiab lus rau kev xeeb tub?
Av tau pheej yig thiab txhais tau tias kev ua chiv tau txwv thiab ua haujlwm hnyav. Cov txheej txheem ntawm fertilization lossis fecundation kuj tseem hu ua impregnation thiab kev xeeb tub. Fecundation thiab fertilization yog cov ntsiab lus tseem ceeb kom nco ntsoov. Kev cog qoob loo ntawm peach-xau yog yuav tsum tau txiav txim siab hauv cov ncauj lus cais
Dab tsi yog lub ntsiab lus tseem ceeb rau kev tshem tawm ntawm lub cev txawv teb chaws embedded nyob rau hauv conjunctival ntawm lub qhov muag?
Code 65205 yog qhov tsim nyog rau kev tshaj tawm kev tshem tawm ntawm lub cev sab nraud ntawm lub qhov muag. Yog hais tias lub cev txawv teb chaws tau embedded nyob rau hauv lub conjunctiva, code 65210, "Conjunctival, embedded (suav nrog concretions), subconjunctival, los yog scleral non-perforating," yuav tsim nyog rau kev qhia txog kev tshem tawm