Leej twg yog qhov txawv ntawm kev tawg thiab rov tsim dua tshiab?

Cov txheej txheem:

Leej twg yog qhov txawv ntawm kev tawg thiab rov tsim dua tshiab?
Leej twg yog qhov txawv ntawm kev tawg thiab rov tsim dua tshiab?

Video: Leej twg yog qhov txawv ntawm kev tawg thiab rov tsim dua tshiab?

Video: Leej twg yog qhov txawv ntawm kev tawg thiab rov tsim dua tshiab?
Video: Neej neeg: Neeg phem nrhiav deev luag tej poj niam zoo nkauj xob thiaj tua 2024, Lub peb hlis ntuj
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Thaum kev tawg yog cov txheej txheem ntawm kev sib txuas ntawm kev sib deev uas txhua qhov ntu tuaj yeem ua rau tib neeg lub cev, kev tsim dua tshiab yog txheej txheem thaum lub cev regrows lossis rov tsim dua lub cev ploj.

Puas rov tsim dua tshiab kuj yog hom kev tawg?

Fragmentation yog hais txog cov txheej txheem ntawm kev faib cov kab mob mus rau hauv cov khoom tawg, thiab txhua qhov tawg mus rau hauv lub cev. Nyob rau hauv sib piv, regeneration yog zoo li hloov kho daim ntawv ntawm fragmentation thiab yog cov txheej txheem ntawm regrowth hauv kab mob.

Dab tsi yog qhov txawv ntawm fragmentation thiab fission?

Qhov sib txawv tseem ceeb ntawm fission thiab fragmentation yog hauv fission, ib lub cev unicellular tawg los ua ob tug ntxhais kab mobwhereas nyob rau hauv fragmentation, ib tug multicellular kab mob tawg mus rau hauv ntau yam fragments thiab txhua qhov tawg mus rau hauv lub cev tag nrho.

Puas yog planarian regeneration lossis fragmentation?

Planaria nthuav tawm qhov txawv tshaj plaw muaj peev xwm rov tsim dua qhov ploj ntawm lub cev. Piv txwv li, ib tug planarian phua lengthwise los yog crosswise yuav rov tsim dua rau hauv ob tug neeg sib cais.

Dab tsi yog qhov sib txawv ntawm kev tsim dua tshiab thiab kev tsim tawm?

Qhov sib txawv tseem ceeb ntawm kev tsim dua tshiab thiab kev tsim tawm yog qhov kev tsim kho dua tshiab yog txheej txheem hloov cov hlwb puas lossis ploj lawm, cov ntaub so ntswg, kabmob thiab txawm tias tag nrho lub cev hauv cov kab mob, thaum yug me nyuam yog tus txheej txheem ntawm kev tsim cov me nyuam tshiab los ntawm niam txiv kev sib deev los yog asexually hauv kab mob.

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