Puas yog megasporophyll thiab carpel tib yam?

Cov txheej txheem:

Puas yog megasporophyll thiab carpel tib yam?
Puas yog megasporophyll thiab carpel tib yam?

Video: Puas yog megasporophyll thiab carpel tib yam?

Video: Puas yog megasporophyll thiab carpel tib yam?
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Anonim

A carpel muaj qhov ua haujlwm zoo ib yam li megasporophyll, tab sis feem ntau suav nrog kev qias neeg, thiab yog fused, nrog ovules nyob rau hauv qhov loj me me, lub zes qe menyuam.

npe lwm lub npe ntawm carpel yog dab tsi?

Explanation: Pistil is other name of carpel of a paj..

YPuas yog carpel a Megasporangium?

Raws li qhov kev lees paub dav dav tshaj plaws, lub carpel tsim hloov kho, sib txuas megasporophyll bearingob, adaxial kab ntawm ovules (Daim duab 6.9D). Nco qab tias "megasporophyll" yog cov nplooj hloov pauv uas dais megasporangia, uas nyob rau hauv cov noob nroj tsuag yog cov khoom ntawm ovules thiab cov noob; saib Tshooj 5.

Puas yog filament ib feem ntawm carpel?

Lub zes qe menyuam muaj ib lossis ntau lub ovules, txhua tus ntawm cov uas yuav loj hlob mus rau hauv cov noob thaum fertilization. Cov txiv neej lub cev xeeb tub, cov stamens (collectively hu ua androecium), nyob ib ncig ntawm lub hauv paus carpel. Stamens yog tsim los ntawm ib tug nyias stalkhu ua filament thiab ib lub hnab zoo li tus qauv hu ua anther.

Qhov txawv ntawm rab phom thiab rab phom yog dab tsi?

Carpel yog poj niam ib feem ntawm lub paj uas muaj stigma, style thiab zes qe menyuam. Pistil tuaj yeem yog tib yam li ib tus neeg carpel lossis ib phau ntawm carpels fused ua ke. Ua los ntawm stigma, style thiab zes qe menyuam. … Qe ntau lawm tsis muaj nyob rau hauv pistil.

Pom zoo:

Puas yog yug thiab moles yog tib yam?

Puas yog yug thiab moles yog tib yam?

Moles thiab birthmarks tsis tas yuav yog ib qho tib si, tab sis lawv tuaj yeem yooj yim tsis meej pem vim tias mole tuaj yeem tshwm sim thaum yug. Qee tus kws kho mob xav tias mole yog "kev zoo nkauj" vim nws yog thaj chaw pigmentated.

Puas yog lub tesseract thiab lub pob zeb qhov chaw yog tib yam?

Puas yog lub tesseract thiab lub pob zeb qhov chaw yog tib yam?

Lub Tesseract, tseem hu ua lub voos xwmfab, yog lub pob zeb crystalline zoo li lub nkoj ntimrau lub Pob Zeb Space, ib qho ntawm rau Lub Pob Zeb Infinity uas ua rau lub ntiaj teb thiab muaj lub zog tsis muaj kev txwv.. Nws tau siv los ntawm ntau yam kev vam meej thaum ub ua ntej los rau hauv Asgardian tes, khaws cia hauv Odin's Vault .

Puas muaj ntau yam thiab ntau yam zoo ib yam?

Puas muaj ntau yam thiab ntau yam zoo ib yam?

Kev sib sib zog nqus-qhov sib txawv ntawm qhov nqaim-ntawm cov khoom lag luam txhais tau hais tias tus neeg muag khoom nqa ntau qhov sib txawv ntawm ib yam khoom. Ntau yam-qhov sib txawv ntawm qhov nqaim-ntawm cov khoom txhais tau tias tus neeg muag khoom nqa ntau yam khoom sib txawv.

Puas yog lub kaus mom thiab lub kaus mom yog tib yam?

Puas yog lub kaus mom thiab lub kaus mom yog tib yam?

yog tias helm yog (nautical) lub steering apparatus ntawm lub nkoj, tshwj xeeb tshaj yog lub tiller los yog lub log thaum lub rudder yog (nautical) ib tug underwater vane siv rau steer lub nkoj lub rudder. yog tswj los ntawm lub log, tiller los yog lwm yam khoom siv (hnub no cov hlab ntsha tuaj yeem tswj tau txawm tias muaj lub joystick lossis lub autopilot) .

Puas yog kev tsis sib haum xeeb thiab tsis sib haum yog tib yam?

Puas yog kev tsis sib haum xeeb thiab tsis sib haum yog tib yam?

Unconformities sawv cev rau lub sij hawm ntawm non-deposition ntawm sediment los yog active erosion ntawm strata. Nonconformity: txhim kho qhov twg sediments tau tso rau saum qhov chaw eroded ntawm igneous los yog metamorphic pob zeb. … Puas yog kev tsis sib haum xeeb thiab tsis sib haum?