Video: Puas yog chordates ob sab lossis radial?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Radial symmetry tshwm sim thaum ib feem ntawm cov tsiaj lossis cov khoom raug teeb tsa nyob ib puag ncig lub hauv paus, thiab yog tias lawv tau faib los ntawm txoj kab ntawd lawv tsim qhov sib npaug ntawm ob sab. Chordates , suav nrog tib neeg, kuj yog txhua tus cais raws li muaj ob tog symmetry thiab tuaj yeem muab faib ua sab laug thiab sab xis.
Xav txog qhov no, puas yog annelids radial lossis ob sab?
Feem ntau vertebrates muaj ob tog sib npaug. Invertebrates tuaj yeem muaj ob tog los yog radial symmetry, los yog lawv tuaj yeem ua asymmetrical. Invertebrates raug faib ua ntau yam phyla, suav nrog Porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida , Mollusca, Echinodermata, thiab Arthropoda.
Tsis tas li, puas yog kab laug sab ob sab los yog radial? Tsiaj Nrog Ob tog Symmetry Piv txwv yog worms, kab, kab laug sab , ntses, noog thiab tsiaj txhu, suav nrog tib neeg. Hauv evolution, ob tog symmetry yog ib kauj ruam tseem ceeb rau txoj kev loj hlob ntawm lub taub hau thiab lub siab concentration ntawm lub cev.
Ib yam nkaus, puas yog cnidarians radial lossis ob sab?
Tsiaj txhu hauv phyla Cnidaria thiab Echinodermata yog radially symmetrical, txawm hais tias muaj ntau lub hiav txwv anemones thiab qee cov corals muaj ob tog symmetry txhais los ntawm ib tug qauv, lub siphonoglyph.
Puas yog chordates muaj pob txha?
Cov tsiaj nyob ntawm chordates tau muab cais ua peb qhov loj subphyla: Vertebrata, Urochordata, thiab Cephalochordata. Vertebrates yog tag nrho cov chordates uas muaj lub nraub qaum. Lwm ob subphyla yog invertebrate chordates uas tsis muaj pob txha. Cov tswv cuab ntawm cov subphylum Urochordata yog tunicates (tseem hu ua sea squirts).
Pom zoo:
Sab twg peb yuav tsum tau pw sab xis lossis sab laug?
Cov kev tshawb fawb qhia pom tias pw tsaug zog ntawm koj sab laug yog qhov zoo tshaj. Yog vim li cas tsis meej kiag li. Ib qho kev kwv yees hais tias sab xis pw tsaug zog ua rau lub plab qis qis qis, nruab nrab ntawm lub plab thiab txoj hlab pas
Dab tsi yog txoj haujlwm ntawm sab laug sab laug sab laug?
Hauv tib neeg feem ntau, sab laug ntawm lub paj hlwb yog qhov tseem ceeb, thiab hauv tib neeg feem ntau sab laug sab laug sab laug tswj kev nco txog ntsig txog qhov tseeb thiab cov ntaub ntawv, nrog rau lub peev xwm paub lub ntsej muag thiab khoom
Lub zais pa sawv cev dab tsi lub raj mis sawv cev yog lub zais pa sab hauv lossis sab nraum lub raj mis?
Yam twg ntawm tus qauv lub ntsws sawv cev rau lub ntsws, kab noj hauv siab, tav tav, thiab daim diaphragm? (Lub zais pa me me sab hauv lub raj mis yog lub ntsws
Koj paub li cas ntawm sab laug lossis sab xis?
Koj lub siab tsis nyob ntawm sab laug ntawm koj lub hauv siab Txawm hais tias peb feem ntau muab peb sab tes xis rau ntawm peb sab laug hauv siab thaum peb cog lus rau tus chij, peb yuav tsum muab tso rau saum nruab nrab ntawm peb lub hauv siab, vim qhov ntawd yog qhov peb lub siab zaum. . Koj lub plawv nyob nruab nrab ntawm koj lub hauv siab, nyob nruab nrab ntawm koj sab xis thiab sab laug lub ntsws
Puas yog lub plab ntawm sab laug lossis sab xis?
Lub plab yog lub cev nqaij leeg nyob rau sab laug ntawm lub plab. Lub plab tau txais zaub mov los ntawm txoj hlab pas. Raws li cov zaub mov mus txog qhov kawg ntawm txoj hlab pas, nws nkag mus rau hauv plab los ntawm cov leeg nqaij hu ua qis esophageal sphincter