Choanoflagellates thiab sponges zoo li cas?
Choanoflagellates thiab sponges zoo li cas?

Video: Choanoflagellates thiab sponges zoo li cas?

Video: Choanoflagellates thiab sponges zoo li cas?
Video: Endosymbiosis, Choanoflagellates, and the Origin of Animal Life 2024, Kaum ib hlis
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Choanoflagellates yuav luag zoo tib yam hauv cov duab thiab ua haujlwm nrog cov choanocytes, lossis dab tshos hlwb, ntawm daim txhuam cev ; cov hlwb no tsim ib qho tam sim no uas rub cov dej thiab cov khoom noj los ntawm lub cev ntawm a daim txhuam cev , thiab lawv lim tawm cov khoom noj nrog lawv cov microvilli.

Tsis tas li cov lus nug yog, qhov txawv ntawm choanoflagellates thiab sponges yog dab tsi?

A) Choanoflagellates Muaj nruj dej. B) Daim txhuam cev Multicellular C) Daim txhuam cev Yog Assymetrical Thiab Tsis Muaj Cov Ncauj D) Choanoflagellates Muaj cov kab mob Flagellated tshwj xeeb uas ua haujlwm hauv kev ncua kev noj zaub mov.

Tsis tas li ntawd, tus txheeb ze ze tshaj plaws ntawm Choanoflagellates yog dab tsi? Choanoflagellates yog cov ze tshaj nyob ib leeg xwb kwv tij ntawm metazoans. Txoj kev sib raug zoo no txhais tau tias choanoflagellates yog rau metazoans - tag nrho cov tsiaj, los ntawm daim txhuam cev mus rau flatworms rau chordates - dab tsi chimpanzees yog rau tib neeg.

Ib yam li ntawd, choanoflagellates thiab tsiaj txhu muaj dab tsi?

Muaj qhov sib txawv ntawm lub cev zoo ib yam ntawm choanoflagellates thiab paub meej tsiaj cov hlwb, tshwj xeeb tshaj yog cov hlwb pub ntawm daim txhuam cev, hu ua choanocytes. Cov kev zoo sib xws no qhia tias unicellular poj koob yawm txwv ntawm tsiaj txhu tej zaum muaj flagellum thiab dab tshos, thiab tej zaum muaj ua tau zoo heev a choanoflagellate hmoov.

Puas yog choanoflagellates thiab sponges viv ncaus pawg?

Choanoflagellates yog cov cov kwv tij rau Metazoa (Tsiaj) Lub morphological zoo sib xws ntawm choanoflagellates thiab daim txhuam cev choanocytes tau coj mus rau cov lus pom thaum ntxov uas choanoflagellates yog lub unicellular precursors ntawm lub nceeg vaj tsiaj.

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