Qhov sib txawv tseem ceeb ntawm sharks thiab bony ntses yog tias shark muaj ib lub cev pob txha ua los ntawm cov pob txha mos thaum lub cev nqaij daim tawv muaj cov pob txha sab hauv ua los ntawm cov pob txha calcified.
Ntses yog ib qho ntawm tsib pawg vertebrate uas muaj nyob rau Kingdom Animalia. Lawv yog cov kab mob multicellular dej. Muaj ntau tshaj 32,000 hom nyob rau hauv tag nrho cov dej nyob ib puag ncig ntawm pawg no. Feem ntau ntawm cov ntses yog carnivores los yog omnivores. Ntses tej zaum yuav muaj lub cev pob txha ua los ntawm cov pob txha lossis pob txha mos. Muaj peb pawg loj ntses uas yog ntses cartilaginous, Bony ntses thiab lobe-finned ntses.
Sharks yog dab tsi?
Sharks yog cov ntses cartilaginous uas muaj lub cev pob txha ua los ntawm pob txha mos. Sharks belongs rau chav kawm Chondrichthyes. Nrog rau sharks, pawg no suav nrog cov duab tshav, skates thiab chimaeras ib yam. Raws li cov ntaub ntawv fossil, cov ntses cartilaginous muaj ntau dua yav dhau los. Tam sim no lawv muaj tsawg dua cov ntses pob txha. Lub cev pob txha yog qhov hnyav piv rau cov pob txha ntawm pob txha ntses.
Daim duab 01: Shark
Tsis tas li ntawd, cov ntaub so ntswg hloov pauv tau pom hauv lawv lub cev. Sharks tuaj yeem txav lawv lub puab tsaig sab saud ntawm nws tus kheej vim nws tsis txuas rau pob txha taub hau. Muaj 10 cartilaginous ntsiab nyob rau hauv shark pob txha taub hau. Thiab tseem sharks tsis muaj pleural tav, tsis zoo li cov ntses pob txha. Gill slits ntawm shark yog pom, thiab tsis muaj kev tiv thaiv pob txha phaj npog lub gills. Sharks muaj daim tawv muag uas pab tiv thaiv lawv ob lub qhov muag.
Bony Fish yog dab tsi?
Bony ntses yog pab pawg coob tshaj plaws ntawm cov ntses uas muaj cov pob txha sab hauv ua los ntawm cov pob txha calcified. Bony ntses yog nyob rau hauv chav kawm Osteichthyes. Teleost yog lwm lub npe uas hais txog cov ntses pob txha. Lawv yog cov vertebrates, thiab tam sim no lawv yog ib co ntawm cov vertebrates ntau tshaj plaws nyob rau hauv lub ntiaj teb no.
Daim duab 02: Bony ntses
Ntxiv mus, muaj txog 27000 hom hauv pawg no. Salmon, trout, lanternfish, cavefish, cods, anglerfish, tarpon, herrings, hluav taws xob eels, thiab lwm yam yog ob peb hom ntses ntses. Muaj 63 pob txha hauv pob txha ntses pob txha. Lawv muaj pleural ribs ua los ntawm cov pob txha dermal. Lawv tsis muaj daim tawv muag. Yog li ntawd, lawv tsis muaj peev xwm tiv thaiv lawv lub qhov muag zoo li sharks.
Dab tsi yog qhov zoo sib xws ntawm Sharks thiab Bony Fish?
- Sharks and bony fish share a common ancestor.
- Lawv belongs rau Kingdom Animalia.
- Ob leeg yog vertebrates.
- Lawv yog ntshav txias lossis ectotherms.
- Lawv lub siab muaj plaub qhov chaw.
- Ob leeg sharks thiab bony ntses muaj caudal fins los yog tail fins nrog ob lobes.
Qhov txawv ntawm Sharks thiab Bony Fish yog dab tsi?
Sharks yog ntses cartilaginous. Ntawm qhov tod tes, cov ntses pob txha yog cov ntses loj tshaj plaws uas muaj cov pob txha ua los ntawm cov pob txha. Lawv qhia qhov sib xws thiab qhov sib txawv. Cov hauv qab no qhia txog qhov sib txawv ntawm sharks thiab bony ntses nyob rau hauv daim ntawv tabular.
Summary – Sharks vs Bony Fish
Sharks thiab bony fish yog ob pawg ntses. Sharks yog cov ntses cartilaginous. Lawv muaj ib tug cartilaginous skeleton. Bony ntses muaj lub cev pob txha ua los ntawm cov pob txha calcified. Sharks thiab bony ntses yog nyob rau hauv chav kawm Chondrichthyes thiab Osteichthyes feem. Qhov no yog qhov txawv ntawm sharks thiab bony ntses.
