Vim li cas gemmule tseem ceeb?

Cov txheej txheem:

Vim li cas gemmule tseem ceeb?
Vim li cas gemmule tseem ceeb?

Video: Vim li cas gemmule tseem ceeb?

Video: Vim li cas gemmule tseem ceeb?
Video: Kablia vwj & yog vim li cas Nkaujtawmtshiab 2024, Hlis ntuj nqeg
Anonim

Gemmules yog cov buds sab hauv pom nyob rau hauv daim txhuam cev thiab yog koom nrog hauv kev yug menyuam tsis muaj menyuam. Nws yog ib qho asexually reproduced loj ntawm cov hlwb, uas muaj peev xwm ntawm kev loj hlob mus rau hauv ib tug tshiab kab mob xws li, ib tug neeg laus daim txhuam cev.

Gemmule piav qhia nws qhov tseem ceeb hauv lub neej ntawm daim txhuam cev?

Pom nyob rau hauv daim txhuam cev, gemmules yog cov buds sab hauv (embryonic tua), uas plays lub luag haujlwm tseem ceeb hauv kev yug menyuam tsis muaj menyuam. Hauv lwm lo lus, koj tuaj yeem txhais tau dab tsi yog gemmules ua ib pawg ntawm cov hlwb muaj peev xwm loj hlob mus rau hauv tus neeg laus daim txhuam cev.

Yuav ua li cas koj hais txog Gemmule rau tib neeg lub cev?

Gemmules yog xav kom tawm ntawm txhua qhov ntawm lub cev, ncig hauv cov hlab ntsha thiab txav mus rau gonads uas lawv khaws cia hauv cov kab mob. Lawv yuav tsum tau kis los ntawm niam txiv mus rau cov xeeb ntxwv nyob rau hauv lub dormant lub xeev kom txog thaum atavism tshwm sim. Gemmules tseem hu ua pangenes.

gemmules pab sponges li cas?

gemmules pab tau li cas cov sponges dej tshiab muaj sia nyob tsis zoo? Gemmules yog cov khoom noj uas tseem muaj cov sponge cell. Cov chav nyob tuaj yeem muaj sia nyob mob hnyav, yog li yog daim txhuam cev tuag, ib qho tshiab hloov kho ntawm chav tsev noj mov. … Thaum daim txhuam cev nws tus kheej yog tsis muaj, cov spores thiab gametes nws tso tawm tsis.

Gemmule formation yog dab tsi?

Teb tiav:-Ib Gemmule yog ib qho asexually tsim pawg ntawm cov hlwb uas muaj peev xwm hloov mus rau hauv cov kab mob tshiab lossis mus rau hauv cov neeg laus cov dej qab zibAsexual reproduction yog nqa tawm feem ntau los ntawm budding thiab los ntawm gemmulation ib yam nkaus. Gemmules yog cov buds sab hauv uas yog tsim los ntawm cov dej ntshiab.

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