2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Metamerism yog qhov rov ua dua ntawm homologous lub cev ntu. Hom kev loj hlob no tuaj yeem pom hauv the Annelids, uas suav nrog cov kab hauv av, leeches, tubeworms, thiab lawv cov txheeb ze. Nws kuj tseem pom nyob rau hauv daim ntawv siab dua hauv Arthropods, xws li crustaceans, kab, thiab lawv cov txheeb ze.
Qhov twg muaj tseeb metamerism pom?
True Metamerism muaj nyob hauv Annelids, Arthropods & Chordates. Nyob rau hauv qhov tseeb metamerism, segmentation ntawm lub cev yog raws li segmentation ntawm mesoderm. Cov ntu tshiab yog tsim nyob rau tom qab kawg (hauv ntej ntawm lub qhov quav). Li no cov hluas tshaj plaws tshwm sim nyob rau hauv lub anterior kawg.
Yuav ua li cas phyla qhia qhov tseeb metamerism?
Lwm tus nab, cov kab hauv av hauv phylum Annelida, tuaj yeem ua piv txwv qhov tseeb metamerism. Hauv txhua ntu ntawm tus cab, qhov rov ua dua ntawm lub cev thiab cov leeg nqaij tuaj yeem pom.
metamerism yog dab tsi thiab nws qhov tseem ceeb?
Taw qhia. Metamerism yog qhov xwm txheej thaum qhov kev sib faib dav dav ntawm ob sab tsiaj sib koom nrog kev faib tawm ntawm lub cev mus rau hauv cov kab ntawm cov seem zoo sib xws. … Lo lus metamerism no tsuas yog siv thaum lub cev ntawm mesodermal hauv paus chiv keeb. Metamerism yog ib lo lus Greek txhais tau tias meta=tom qab, mere=part …
Lub ntsiab lus ntawm metamerism yog dab tsi?
1: txoj kev muaj lossis theem ntawm evolutionary txoj kev loj hlob yam ntxwv los ntawm lub cev ua los ntawm metameres Lub hauv paustxoj caintawm arthropod tsim yog metamerism, kev tsim kho ntawm lub cev los ntawm kev txuas ntxiv ntawm ntu rov ua dua.- Stephen Jay Gould.
Pom zoo:
Qhov twg yog qhov pom ib txwm pom thaum percussing thaj tsam plab?
Lub plab plab uas muaj roj ntau ib txwm muaj a tympanitic tympanitic Meteorism. Tshwj xeeb. Gastroenterology. Tympanite yog ib yam mob uas muaj roj ntau ntau hauv plab hnyuv thiab ua rau mob plab. Lo lus yog los ntawm Greek τύμπανο, "nruas"
Qhov twg los saib qhov pom kev tsis pom kev ntawm kev ua?
Koj muaj peev xwm kwj Txoj Kev Tsis Txaus Siab Ntawm Kev Ua los ntawm kev xauj lossis yuav hauv Google Play, Amazon Instant Video, thiab Vudu. Puas yog Qhov Teeb Meem Tsis Muaj Teeb Meem ntawm Kev Ua Hauv Netflix? Saib Qhov Teeb Meem Tsis Muaj Teeb Meem Ntawm Kev Nyob Netflix Hnub no!
Ntawm qhov capillaries pom nyob rau hauv lub cev nyob qhov twg?
Nruam: Cov capillaries no tsis muaj perforations thiab cia tsuas yog me me molecules dhau mus. Lawv tam sim no hauv nqaij, tawv nqaij, rog, thiab paj hlwb. Fenestrated: Cov capillaries no muaj cov pores me me uas tso cai rau cov molecules me los ntawm thiab nyob hauv cov hnyuv, ob lub raum, thiab cov qog endocrine.
Qhov twg yog qhov pom ze lossis pom deb?
Nearsightedness txhais tau hais tias koj lub pob muag yuav muaj qhov curvature ntau dua li qhov nruab nrab, qhov kev pom deb tuaj yeem ua rau koj lub pob muag tsis nkhaus ntau npaum li qhov yuav tsum tau ua. Cov neeg pom kev deb muaj qhov pom kev deb zoo dua, thaum neeg pom kev muaj qhov sib txawv (muaj zog nyob ze qhov muag).
Pom pom muaj calcium ntau nyob qhov twg?
Calcium yog nyob ib puag ncig peb. Tus tib neeg nruab nrab muaj kwv yees li 1kg ntawm calcium, ntawm 99% khaws cia hauv peb cov pob txha. Nws yog 5th feem ntau cov khoom nyob rau hauv lub ntiaj teb crust, tshwm sim dav li calcium carbonate uas yog feem ntau hu ua limestone.
