Qhov txawv ntawm Univalve thiab bivalve yog dab tsi?
Qhov txawv ntawm Univalve thiab bivalve yog dab tsi?

Video: Qhov txawv ntawm Univalve thiab bivalve yog dab tsi?

Video: Qhov txawv ntawm Univalve thiab bivalve yog dab tsi?
Video: Plab Plab Ntswg..(Pluav Pluav Ntswg) Maiv Twm New Song 2023-2024 2024, Kaum ib hlis
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Lawv yog ob qho tib si mollusks. Lub mollusk yog ib hom ntawm cov plhaub, thiab txhua yam ntawm ob hom no piav qhia tias lub plhaub sab nraud yog dab tsi. Univalves muaj ib lub plhaub, thiab bivalves ua muaj ob lub plhaub. Mus kuaj yog a bivalve tseem ciaj sia, lub plhaub yuav kaw yog tias nws tau tapping los yog kov.

Yog li ntawd, qhov txawv ntawm Univalve thiab bivalve yog dab tsi?

Raws li lub npe txawv nruab nrab univalve thiab bivalve yog tias univalve yog a univalve mollusk orits plhaub thaum bivalve yog ib qho mollusc nyob rau hauv chav kawm thetaxonomic bivalvia , tus cwj pwm los ntawm ib lub plhaub uas muaj ob lub hinged, xws li scallop, clam, musselor oyster.

Tsis tas li ntawd, cws puas yog bivalve? Piv txwv li: lobsters, crayfish, crab, cws , prawns , thiab lwm yam -Mollusk yog ib tug tsiaj uas muaj univalve, nws yeej muaj ib lub plhaub, los yog ib tug Bivalve , uas muaj OB lub plhaub.-Cephalopods zoo ib yam li mollusks, cov tsiaj no muaj lub plhaub sab hauv hu ua tus cwj mem los yog cuttlebone.

Tom qab, lo lus nug yog, vim li cas bivalves siv los ua qhov ntsuas ntawm ib puag ncig zoo?

Kev ntsuas rau bivalves ua yog tsim nyog qhov taw qhia cov neeg sib tw vim bivalves ua muaj txiaj ntsig zoo hauv cov cheeb tsam ecological tseem ceeb no. Kev lim dej rau kev pub mis yog qhov tsim nyog rau kev ua haujlwm metabolic, thiab tseem tsim cov khoom noj khoom haus uas txhawb nqa cov khoom tsim thawj (lub zog).

Vim li cas gastropods qee zaum hu ua Univalves?

Feem coob ntawm shelled gastropods orsnails muaj lub plhaub hauv ib feem, yog li lub npe laus " univalve ". Cov gastropod operculum, thaum tam sim no, txawm tias thaum nws muaj feem ntau ntawm calcium carbonate, tsis suav tias yog lub valve. Hom kab no feem ntau hu ua "bivalved gastropods ".

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