Nyob rau hauv cov dej tsis qab ntsev, gemmules yuav muaj sia nyob ib puag ncig muaj kev kub ntxhov xws li kev hloov pauv kub. Lawv ua hauj lwm rau recolonize lub vaj nyob ib puag ncig ib puag ncig stabilize. Gemmules muaj peev xwm txuas rau lub substratum thiab tsim ib daim txhuam cev tshiab.
Vim li cas sponges tsim gemmules?
Ib yam uas tsim tawm los ntawm cov hlwb, uas muaj peev xwm txhim kho mus rau hauv cov kab mob tshiab lossis mus rau hauv cov neeg laus cov dej qab zib yog hu ua Gemmule. Lawv yog cov me me zoo li cov pob txha, uas yog tsim los ntawm cov ntaub txhuam cev tiv taus ib puag ncig tsis zoo.
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.
Puas muaj daim txhuam cev pom hauv dej tshiab?
Cov kais dej tshiab loj tuaj rau ntawm cov khoom uas muaj dej khov nyob hauv huv kwj, pas dej, thiab dej ntws. … Ntawm cov phylum Porifera uas tag nrho cov sponges muaj, tsuas yog ib tsev neeg (Spongillidae) tshwm sim hauv cov dej tshiab hauv Tebchaws Meskas, cov seem muaj nyob rau hauv ib puag ncig marine.
Vim li cas gemmules thiaj li tshwm sim hauv daim txhuam cev hauv thaj chaw uas muaj lub caij ntuj no hnyav?
Vim li cas gemmulesYuav ua li cas tshwm sim nyob rau hauv daim txhuam cev nyob rau hauv cov cheeb tsam nrog hnyav winters? Lawv tuaj yeem muaj sia nyob rau lub sijhawm qhuav qhuav thiab khov thiab ntau dua peb lub hlis yam tsis muaj oxygen. Thaum cov xwm txheej zoo rov qab los, lawv tuaj yeem khiav thiab txhim kho.
