Thaum tag nrho cov whales, ntses taub ntswg ntev thiab porpoises poob nyob rau hauv qhov kev txiav txim ntawm Cetacea, lub orca cov hniav yog dab tsi cais lawv nyob rau hauv suborder Odontoceti, ua rau lawv "toothed whales." Orca cov hniav tuaj yeem loj hlob mus txog plaub ntiv tes ntev.
Puas yog toothed whales dolphins?
Cov lus teb luv luv yog: Yog, dolphins yog hom whale. … Whales tuaj yeem muab faib ua ob pawg, cov no hu ua baleen whales (Mysticeti) thiab toothed whales (Odontoceti). Cov whales feem ntau yog cov pab pawg ntawm toothed whales xws li tag nrho cov ntses taub ntswg ntev thiab porpoises.
Puas yog ntses taub ntswg ntev muaj lossis tsis yog?
Thawj yam thawj zaug: tag nrho cov ntses taub ntswg ntev yog whales, tab sis tsis yog txhua tus whales yog ntses taub ntswg ntev. … Tej zaum nws yuav tsis meej pem, tab sis txhua tus ntses taub ntswg ntev yog hom me me ntawm whales. Qhov kev txiav txim whale (Cetacea) tau muab faib ua ntau tsev neeg, ib qho ntawm lawv yog Delphinidae (qhov no suav nrog txhua hom ntses ntses dej hiav txwv).
Puas yog ntses taub ntswg ntev thiab whales cuam tshuam?
Spoiler ceeb toom, dolphins yog qhov tseeb whales, lossis ib feem ntawm tsev neeg whale. Nyob nrog peb, qhov no yuav tsis meej pem me ntsis. Raws li kev tshawb fawb, tag nrho cov whales, ntses taub ntswg ntev thiab porpoises tau muab cais ua Cetacea. Thiab nyob rau hauv Cetacea yog ob suborders: baleen whales thiab toothed whales.
Puas dolphin baleen lossis toothed whales?
Qhov kev txiav txim Cetacea, uas suav nrog whales, ntses taub ntswg ntev, thiab porpoises tau muab faib ua ob pawg tseem ceeb: cov toothed whales (Odontocetes) thiabbaleen or whalebone whales (Mysticetes). Toothed whales muaj xws li ntses taub ntswg ntev, porpoises, nrog rau cov phev loj thiab killer whales.
