Txawm li cas los xij, vertebrates yog ntawm qhov tseem ceeb hauv lub zog thiab cov qauv ntawm ntau yam ecosystems, suav nrog tag nrho biosphere. Kev hloov pauv ntawm cov khoom siv thiab lub zog hauv cov saw hlau trophic ua kom lawv caij tsheb kauj vab. … Cov neeg tsiv teb tsaws chaw dissipate cog diaspores muab kev kho dua tshiab ntawm kev cuam tshuam ecosystems thiab cov theem ua tiav.
Kev lag luam tseem ceeb ntawm cov vertebrates yog dab tsi?
Tshwj tsis yog kev txhawj xeeb txog kev txuag, ntau cov vertebrates yog qhov tseem ceeb ntawm kev lag luam vim tias lawv txhawb kev lag luam thiab kev ua si(xws li nuv ntses). Txawm hais tias muaj kev txaus siab rau tib neeg, kev txheeb xyuas hom rau ntau pawg tseem muaj teeb meem.
Dab tsi yog qhov tseem ceeb tshaj plaws ntawm cov pob txha caj qaum?
yam ntxwv ntawm Vertebrates. Lub ntsiab qhov txawv ntawm cov vertebrates yog lawv vertebral kem, los yog qaum(saib daim duab hauv qab). Cov pob txha khiav ntawm lub taub hau mus rau tus Tsov tus tw nrog dorsal (sab saum toj) ntawm lub cev. Lub vertebral kem yog lub hauv paus ntawm lub endoskeleton.
Vim li cas cov tsiaj tsis muaj qab hau tseem ceeb rau tib neeg?
Qhov kev poob qis no yog qhov tseem ceeb vim tias muaj txiaj ntsig zoo ntawm cov tsiaj txhu xws li kab, kab laug sab, crustaceans, slugs thiab worms coj los rau peb lub neej niaj hnub, suav nrog pollination thiab tshuaj tua kab rau cov qoob loo, decomposition rau nutrient cycling, dej pom thiab tib neeg noj qab haus huv.
Dab tsi ua rau vertebrates tshwj xeeb?
Vertebrates txawv los ntawmmuaj kab mob vertebral. Raws li chordates, tag nrho cov vertebrates muaj ib tug zoo xws li lub cev thiab morphology nrog tib yam tsim nyog cov yam ntxwv: ib tug notochord, ib tug dorsal hollow paj qaum, pharyngeal slits, thiab ib tug tom qab anal tail.
