Cov khoom no tau daig hauv cov hlua ntawm cov mucus secreted los ntawm gills thiab xa mus rau lub qhov ncauj los ntawm cilia. Marine bivalves rov tsim dua los ntawm kev tso cov qe thiab cov phevrau hauv dej, qhov chaw fertilization tshwm sim. Cov qe fertilized ces ntab nyob rau saum npoo plankton.
Yuav ua li cas bivalve mollusks reproduce?
Muaj ntau yam marine bivalves dawb spawn, tso phev thiab qe rau hauv dej qhov chaw fertilization; cov larvae ces mature li plankton (Atlas of Invertebrate Reproduction and Development). … Nyob rau hauv feem ntau ntawm cov hom no, fertilization tshwm sim nyob rau hauv.
Pob bivalves reproduce internally or externally?
Lub cev xeeb tub
Qe thiab phev raug tso rau hauv hiav txwv rau fertilization sab nraud nyob rau hauv cov bivalves feem ntau, tab sis kev nqus cov phev los ntawm ib tug poj niam tso cai ib hom ntawm sab hauv. fertilization thiab brooding ntawm cov tub ntxhais hluas, feem ntau nyob rau hauv lub ctenidia.
Do bivalves nt qe?
Freshwater bivalves nyob rau hauv kev txiav txim Unionoida muaj lub neej sib txawv. Cov phev tau nkag mus rau hauv tus poj niam lub gills nrog rau cov dej nqus dej thiab qhov chaw fertilization tshwm sim. Lub qe mus rau hauv glochidia larvae uas tsim nyob rau hauv tus poj niam lub plhaub.
How do shellfish reproduce?
Kom rov tsim dua, clams tso qe thiab phev mus rau hauv dej raws caij nyoog, feem ntau nyob rau nruab nrab lub caij ntuj sov thaum dej sov thiab cov zaub mov planktonic muaj ntau. Tom qab fertilization ntawm ib tugqe, cellular faib ua larvae thiab nws thiaj li me clams uas nyob rau hauv qab.
