Nyob yog tsiaj vertebrate uas muaj plaub, tis, thiab beaks. Zoo li txhua tus vertebrates, lawv muaj pob txha pob txha.
Cov noog vertebrates muaj los yog tsis?
Nyob yog ib pab pawg ntawm cov vertebrates ntshav sov ua cov chav kawm Aves /ˈeɪviːz/, tus yam ntxwv ntawm plaub, toothless beaked puab tsaig, tso cov qe tawv tawv, siab. metabolic npaum li cas, plaub-chambered lub plawv, thiab lub cev muaj zog tsis tau lub cev hnyav.
Cov noog puas muaj pob txha?
Nyob yog cov vertebrates ntshav sov (vertebrates muaj nraub qaum) thiab tsuas yog tsiaj muaj plaub.
Puas yog cov noog tsiaj los yog cov tsiaj tsis muaj qab hau?
tsib chav kawm paub zoo tshaj plaws ntawm vertebrates (tsiaj muaj lub nraub qaum) yog mammals, noog, ntses, tsiaj reptiles, amphibians. Lawv tag nrho ib feem ntawm phylum chordata - Kuv nco qab "chordata" los ntawm kev xav ntawm tus txha caj qaum.
Puas yog txhua yam tsiaj vertebrates lossis invertebrates?
Ntau tshaj 90 feem pua ntawm tag nrho cov tsiaj nyob yog invertebrates. Thoob plaws ntiaj teb hauv kev faib khoom, lawv suav nrog cov tsiaj xws li cov hnub qub hiav txwv, hiav txwv urchins, earthworms, sponges, jellyfish, lobsters, crabs, kab, kab laug sab, qwj, clams, thiab squid.
