Cov txheej txheem:
- Puas yog forelimbs homologous?
- Puas yog forelimbs homologous lossis analogous?
- Dab tsi yog qhov zoo sib xws ntawm homologous thiab analogous qauv?
- Yuav ua li cas qhov zoo sib xws hauv cov pob txha ntawm tib neeg cov dev whales thiab noog txhawb txoj kev xav ntawm evolution?
Video: Forelimbs zoo li cas?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Lub forelimbs ntawm tag nrho cov tsiaj nyeg muaj tib lub pob txha qauv… Cov qauv zoo sib xws vim lawv hloov zuj zus mus ua ib yam haujlwm, tsis yog vim lawv tau txais los ntawm ib tug poj koob yawm txwv. Piv txwv li, cov tis ntawm puav thiab cov noog, pom hauv daim duab hauv qab no, zoo ib yam li sab nraud. Lawv kuj muaj tib txoj haujlwm.
Puas yog forelimbs homologous?
Tag nrho cov vertebrate forelimbs yog homologous, txhais tau tias lawv txhua tus hloov zuj zus los ntawm tib cov qauv. Piv txwv li, lub flipper ntawm ib tug vaub kib los yog ib tug ntses taub ntswg ntev, caj npab ntawm ib tug tib neeg, lub foreleg ntawm ib tug nees, thiab lub tis ntawm puav puav thiab noog yog qhov kawg homologous, txawm lub loj sib txawv ntawm lawv.
Puas yog forelimbs homologous lossis analogous?
Analogies yog qhov tshwm sim ntawm kev hloov pauv hloov pauv. Interestingly, txawm noog thiab tis tis yog analogous li tis, raws li forelimbs lawv yog homologous.
Dab tsi yog qhov zoo sib xws ntawm homologous thiab analogous qauv?
Cov yam ntxwv zoo sib xws tuaj yeem yog homologous lossis analogous. Homologous qauv qhia qhov zoo sib xws embryonic keeb kwm. Analogous lub cev muaj qhov ua haujlwm zoo sib xws. Piv txwv li, cov pob txha nyob rau hauv ib tug whale pem hauv ntej flipper yog homologous rau cov pob txha nyob rau hauv tib neeg caj npab.
Yuav ua li cas qhov zoo sib xws hauv cov pob txha ntawm tib neeg cov dev whales thiab noog txhawb txoj kev xav ntawm evolution?
Cov no hu ua homologous structures. Txij li cov qauv no zoo sib xws, lawv qhia txog kev sib raug zoo evolutionary thiab ib tug poj koob yawm txwv ntawm hom uas muaj lawv. … Thaum soj ntsuam kom ze, lub forelimbs ntawm tib neeg, whales, dev, thiab puav tag nrho yog zoo ib yam hauv cov qauv
Pom zoo:
Zoo rab phom zoo li cas?
"Zoo phom zoo li hnyav, ntse heev thiab nrov, thiab thaum lub suab ntawd nthuav tawm sab nraud, koj hnov (nws) lwj, "Beisner hais. … Nws suab zoo li lub suab nrov tshaj qhov tawg. " rab phom suab ua li cas? Cov yam ntxwv ntawm rab phom Ib yam muzzle tawg ua rau muaj kev poob siab nrog lub suab siab (SPL) ntawm 140 dB lossis nrov dua.
Lo lus zoo zoo txhais li cas?
Nyob zoo ib tsoom phooj ywg sawv dawg Lub ntsiab lus ntawm kev zoo yog dab tsi? Yam los yog mob siab rau saib xyuas . txhais li cas hauv cov lus kho mob? (ten'dĕr), rhiab heev los yog mob vim yog lub siab lossis kev sib cuag uas tsis txaus ua rau tsis xis nyob hauv cov ntaub so ntswg.
Vim li cas kev tiv thaiv zoo tshaj yog kev ua txhaum zoo?
proverb Kev tawm tsam ib tus neeg tawm tsam lossis yeeb ncuab yog txoj hauv kev zoo tshaj los tiv thaiv tus kheej, vim tias lawv yuav raug tiv thaiv lawv tus kheej, tsis yog tawm tsam. Lawv muaj peev xwm twv tau ntau, yog li peb yuav tsum tau tawm tsam lub hom phiaj ntxov thiab hnav tawm .
Yuav ua li cas yog ib txoj hauv kev zoo nkauj zoo nkauj?
Glassy lossis vitreous textures tshwm sim thaum qee qhov volcanic eruptions thaum lub lava quenched sai heev uas crystallization tsis tuaj yeem tshwm sim. Qhov tshwm sim yog lub ntuj amorphous iav nrog ob peb los yog tsis muaj crystals. Piv txwv suav nrog obsidian thiab pumice .
Peb-tsib kev sib cog lus zoo li kev sib cog lus zoo li cas?
Peb-Tsib Kev Sib Koom Tes zoo li Kev Sib Haum Xeeb Zoo Li Cas? - Nws muab lub zog los txiav txim rau lawv tus kheej cov pej xeem. -Nws txiav txim siab seb lub xeev yuav sawv cev li cas hauv Congress. -Nws tau dhau los ua ib txoj hauv kev rau cov xeev qaum teb kom tau txais kev sawv cev ntxiv .
