2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Cross Fertilization - Pollen grains yog pauv los ntawm ib paj 'anther mus rau lwm tus stigma. Qhov no tshwm sim thaum ob lub paj ntawm cov nroj tsuag sib txawv. Thiab nws tshwm sim ntau zaus thaum paj nrog ntau haiv neeg keeb kwm tuaj ua ke.
Kev sib kis tshwm sim li cas?
Nyob rau hauv cov nroj tsuag siab dua, hla-fertilization tiav ntawm cross-pollination, thaum paj ntoos nplej (uas ua rau phev) hloov ntawm lub khob los yog paj ntawm ib tsob ntoo mus rau qe-cov kabmob cones los yog paj ntawm lwm tus. … Internal fertilization kuj tshwm sim ntawm ib co ntses thiab lwm yam dej yug me nyuam.
Kev sib tw yog dab tsi?
cross-fertilization in British English
noun. fertilization los ntawm kev sib xyaw ntawm txiv neej thiab poj niam gametes los ntawm ntau tus neeg ntawm tib hom. Sib piv tus kheej fertilization.
piv txwv piv txwv li pollination yog dab tsi?
Kev hloov paj ntoos los ntawm ib lub paj ntawm ib lub paj ntawm ib tsob ntoo mus rau lub qia ntawm ib lub paj ntawm lwm cov nroj tsuag ntawm tib hom. Thaum ib tug muv coj paj ntoos los ntawm ib tsob ntoo thiab hloov mus rau lwm tus, qhov no yog ib qho piv txwv ntawm cross-pollination. …
Yuav ua li cas yog cross-fertilization hauv earthworm?
YEarthworms feem ntau suav hais tias yog hla kev fertilization
hermaphrodites (piv txwv li, siv kev sib txuas sib txuas, hloov pauv, thiab tau txais cov phev hauv tib copu-lation). … Cov phev raug thauj los ntawm lubtxiv neej pores rau spermatheca.
Pom zoo:
Qhov twg fertilization nquag tshwm sim?
Fertilization feem ntau tshwm sim nyob rau hauv ib txoj hlab ntsha uas txuas lub zes qe menyuam mus rau lub tsev menyuam. Yog hais tias lub qe fertilized ua tiav mus rau hauv lub fallopian raj thiab cog rau hauv lub tsev menyuam, lub embryo pib loj hlob.
Qhov twg yog qhov tshwm sim tom qab fertilization hauv cov nroj tsuag?
Vim li no cov lus teb yog kev xaiv B, Embryo kev loj hlob . Hauv qab no yog daim duab ntawm embryo tsim embryo tsim Hauv kev loj hlob biology, embryonic kev loj hlob, tseem hu ua embryogenesis, yog kev loj hlob ntawm tus tsiaj lossis cog embryo.
Qhov kev tua ntawm qhov kev sib raug zoo tshwm sim nyob qhov twg?
Kev phom sij ntawm O.K. Corral yog 30-thib ob qhov kev sib tua ntawm cov neeg tsim cai lij choj coj los ntawm Virgil Earp thiab cov tswv cuab ntawm ib pawg neeg tawm tsam hu ua Cowboys suav nrog Ike Clanton uas tshwm sim thaum 3:00 teev tsaus ntuj.
Thaum twg qhov kev rov tshwm sim tshwm sim?
Thaum Replevin tuaj yeem thov Li no, qhov no yog qhov xwm txheej tshwm sim ntau tshaj plaws uas yuav tshwm sim thaum tus neeg siv khoom tsis raug them nyiaj qiv tsheb. Kev ua txhaum cai ntawm kev thaj yeeb nyab xeeb yog me ntsis luv luv. Nws tsis suav nrog kev txeeb tsheb yam tsis tau ceeb toom lossis kub xov tooj kom tsav tsheb mus.
Puas yog cov hla hla hla hla hla hla hla tebchaws?
Ib qho hla hla (hu ua kev hla hla lossis hla hla hauv tebchaws Askiv thiab qee lub tebchaws Tebchaws Meskas) yog tus choj, txoj kev, tsheb ciav hlau lossis cov qauv zoo sib xws uas hla hla lwm txoj kev lossis kev tsheb ciav hlau. Ib qho overpass thiab underpass ua ke ua ib qho kev sib cais.
