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. … Qhov no tso cai rau tus poj niam xaiv ib tug txiv neej.
Kev fertilization sab nraud piav qhia nrog piv txwv yog dab tsi?
kev fertilization sab nraud yog rooj plaub uas fusion ntawm txiv neej thiab poj niam gametes tshwm sim nyob rau sab nraud / nruab nrab thiab tsis nyob hauv lub cev ntawm poj niam. Piv txwv li, nyob rau hauv cov qav, fertilization tshwm sim nyob rau hauv dej nruab nrab. tus poj niam tso qe nyob rau hauv dej tib lub sij hawm cov phev tawm ib yam nkaus thiab.
Puas muaj lwm yam fertilization tshwm sim rau tib neeg?
Kev sib deev kev sib deev pib nrog kev sib xyaw ntawm cov phev thiab qe hauv cov txheej txheem hu ua fertilization. Qhov no tuaj yeem tshwm sim sab hauv (Internal fertilization) los yog sab nraud (sab nraud fertilization) lub cev ntawm tus poj niam. Tib neeg muab piv txwv ntawm yav dhau los hos seahorse reproduction yog ib qho piv txwv ntawm yav tas los.
Nyob rau hauv cov nroj tsuag sab nraud fertilization tshwm sim?
Algae rov tsim dua los ntawm kev fertilization sab nraud. -Fungi: Hauv ntau cov fungi, fertilization yog ob-kauj ruam txheej txheem. Fertilization ntawm phev nyob rau hauv ib kauj ruam nrog rau fusion ntawm gametes raws li nyob rau hauv cov tsiaj thiab nroj tsuag.
Puas muaj lwm yam fertilization tshwm sim hauv Toad?
Heyyyyy koj cov lus teb yog: Feem ntau, qav nteg qe. Cov txheej txheem no feem ntau tshwm sim los ntawm kev fertilization sab nraud, qhov twg tus poj niam tso nws cov qe los ntawm nws lub cev mus rau hauv dej. Tom qab ntawd tus txiv neej tso nws cov phev los fertilize lawv.