Cov txheej txheem:
- Nws yog ib qho piv txwv ntawm fertilization sab nraud?
- Puas yog dev nyob rau hauv lossis sab nraud fertilization?
- Qav sab hauv lossis sab nraud fertilization?
- Qav yog Qav los ntawm Txais Kuv?
Video: Qhov twg fertilization tshwm sim?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Kev fertilization sab nraud feem ntau tshwm sim hauv dej lossis thaj chaw ntub txhawm rau pab txhawb kev txav ntawm cov phev mus rau lub qe. Kev tso qe thiab phev mus rau hauv dej yog hu ua spawning. Nyob rau hauv hom motile, spawning poj niam feem ntau mus rau qhov chaw tsim nyog tso lawv cov qe.
Nws yog ib qho piv txwv ntawm fertilization sab nraud?
Kev piav qhia txog kev fertilization sab nraud yog cov piv txwv ntawm salmon, trout ntses thiab codfish Ob tus poj niam thiab txiv neej tso lawv cov qe thiab cov phev mus rau hauv dej uas lawv nthuav thiab fertilize. Hauv daim ntawv teev cov piv txwv fertilization sab nraud, cov tsiaj hauv dej xws li tsiaj txhu thiab sharks yog qhov zam.
Puas yog dev nyob rau hauv lossis sab nraud fertilization?
Thaum peb xav txog kab mob mating, feem ntau peb xav txog cov tsiaj nyob ib ncig ntawm peb-tib neeg, dev, dragonflies, miv, lizards, los yog tej zaum noog. Thaum cov tsiaj no sib koom ua ke, lub qe thiab phev sib ntsib hauv lub cev, tsis yog sab nraum huab cua lossis dej.
Qav sab hauv lossis sab nraud fertilization?
Nyob hauv ntau hom qav, fertilization yog sab nraud Tus txiv neej Qav rub tus poj niam rov qab thiab fertilize lub qe thaum tus poj niam qav tso tawm (Daim duab 2.2B). Rana pipiens feem ntau nteg ib ncig ntawm 2500 qe, thaum lub bullfrog, Rana catesbiana, tuaj yeem nteg ntau li 20,000.
Qav yog Qav los ntawm Txais Kuv?
Qav yog ib qho tsiaj tsis tshua muaj tsawg, uas tau ntxiv rau Txais Kuv! nrog rau the Aussie Egg rau Lub Ob Hlis 29, 2020. Raws li tam sim no tsis muaj, nws tsuas yog tuaj yeem tau los ntawm kev lag luam lossis los ntawm hatching ib qho ntxiv Aussie Eggs.
Pom zoo:
Puas yog kev tshwm sim lossis kev tshwm sim?
Reveling, kuj spelled reveling, txhais tau tias muaj lub sij hawm zoo, los yog zoo siab rau ib yam dab tsi. Yog tias koj tawm mus ua kev zoo siab rau koj kawm tiav thiab koj haus dej haus, tog thiab muaj lub sijhawm zoo, qhov no yog qhov piv txwv ntawm thaum koj rov qab los .
Puas muaj qhov sib txawv ntawm qhov tshwm sim thiab qhov tshwm sim?
Raws li lub npe qhov txawv ntawm qhov tshwm sim thiab qhov tshwm sim. yog happenchance is a coincidental happen while happenstance is (countable) a chance or random event or random events . Puas muaj lo lus tshwm sim? : a xwm txheej tshwj xeeb yog vim muaj caij nyoog Lawv tuaj ua ke los ntawm qhov tshwm sim .
Yuav ua li cas fertilization sab nraud tshwm sim?
Ntawm Fertilization Tom qab cov phev mus txog lub qe, fertilization tshwm sim. Feem ntau sab nraud fertilization tshwm sim thaum lub sij hawm tus txheej txheem ntawm spawning qhov twg ib los yog ob peb tus poj niam tso lawv cov qe thiab cov txiv neej tso phev nyob rau hauv tib cheeb tsam, nyob rau tib lub sij hawm.
Puas fertilization tshwm sim hauv oviduct?
Lub oviduct lossis Fallopian tube yog thaj chaw anatomical uas txhua lub neej tshiab pib hauv hom tsiaj. Tom qab taug kev ntev, cov spermatozoa ntsib cov oocyte nyob rau hauv qhov chaw tshwj xeeb ntawm oviduct hu ua ampulla, thiab fertilization tshwm sim .
Cov siphons tshwm sim thiab tshwm sim nyob qhov twg?
Ntawm ob qhov qhib ntawm tom qab kawg ntawm clam. Qhov qhib qhov ntau dua yog cov siphon uas tshwm sim uas nqa dej mus rau hauv cov clam thiab qhov qhib qhov rooj ntau dua yog cov siphon uas tshwm sim uas cov khib nyiab & dej tawm . Cov kab mob dab tsi muaj tshwm sim thiab Excurrent siphon?
