Rexovermyshoulderhereyoucansee a hipgirdlethathasthreeboneswiththefrontbone, thepubicpointingdownwardsworthInthesocalledbirdhippeddinosaurswhichisunfortunatelymisnomersandnothingtodowithbirds.
Theyhave a earlycommonancestorsbuttheydivergedintheirevolutionquitedramatically.
両者は初期の共通の祖先を持ちながら、その進化においてかなり劇的な分岐を遂げました。
Pterodactylsbecameflyingcreatureswingsverydifferentfromthoseofbirds, dinosaursweremostlylanddwellinganimalsandonly a fewformslateronevolvedintobirdswhichhaveverydifferentlookingwings.
Wenowhave a beautifulseriesoffossilsdocumentingallofthestagesbetweenlittlepredatorydinosaurslikethatandbirdsthatwouldhavebeenrecognizableas a birdtoanyonealivetoday.
It's veryrarethatyougetsuch a nicecontinuationoffossilsbetweenonegroupandthegroupthatitgaverisetoatthreeboatpaleowhowouldwinin a fightcamerasourceoranadult, anadulttitanandCamarosourcelivedatvery, verydifferentpointsintimeInadulttightenedattheendofthecretaceousperiodabout 66 to 68 millionyearsagoandCamarosourceabout 100 and 50 millionyearsago.
However, athighlatitudeswherethesunwoulddisappearformonthsat a time, itwouldhavebeenquitecoldandweactuallyhaveevenevidencefromfossilsoilsthattherewerepermafrostsoilsinsomeareas.
I'vebeenveryfortunatethatsomebodynameddancerformethere's ananimalcalledhandsome, whichis a littleboneheadeddinosaur, which I sortoftaken a backhandedcomplimentthat I ambornatit.
私は幸運なことに、誰かが私のためにダンサーと名付けました。
Butit's a nicethingbecauseitkindofimmortalizeyoumessingus.
でも、これはいいことだと思うんです。
Howdid?
どうだった?
T rexasleeplikecurleduproostinglikechickenaskingfor a friend T rexpresumablycroucheddownjustlike a lotofbirdsdowhenthey'reresting.
Tレックスは、丸まったように眠っている。
However, weactuallyhavefounddinosaursthatwerepreservedinburrowswheretheypresumablyweresleepingoratleasthangingoutandsomeofthemarekindofcurledupatpaulGarciaNBAashowdidthebrontosaurusweigh 23 tonswhenitonlyateplants.
Andsoyouneed a verylargeguttoaccommodatebacteriaandothermicroorganismsthatcanbreakthecellulosedownintofattyacidsandsugarslikeglucosethatthehostanimalcanactuallydigest.
Butsomeofthereallylargedinosaursactuallywereeitherwarmbloodedorcoldbloodedbecausewhenyouhave a reallylargebodymassandlivein a warmclimateitdoesn't reallymattereitherwayatourthree I.