Qhov twg fertilization tshwm sim?

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Qhov twg fertilization tshwm sim?
Qhov twg fertilization tshwm sim?

Video: Qhov twg fertilization tshwm sim?

Video: Qhov twg fertilization tshwm sim?
Video: ( Hmong tshwm sim qhov twg los ) 2024, Hlis ntuj nqeg
Anonim

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.

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