TOKYO, Meyi 17. / Corr. TASS Vasily Golovnin. Ma dinosaurs ena adatha kupanga zisa kuti azisaka ana awo ngati mbalame. Izi zinanenedwa ndi gulu la paleontologists ochokera ku Japan University of Nagoya pamaziko a zopezedwa ku China.
Mitundu ing'onoing'ono ya ma dinosaurs, asayansi akuti, imasaka mazira monga mbalame. Komabe, kwanthawi yayitali, asayansi sanalingalire momwe dinosaurs zazikulu zakale zidachitikira.
Zotsatira zopangidwa ku China, atero Profesa Kokhei Tanaka, awonetsa kuti ma dinosaurs akuluakulu amaikira mazira mozungulira ndikukhala pakati. Chifukwa chake, iwo, makamaka, amateteza ana amtsogolo kwa adani omwe, mwachidziwikire, amatha kuteteza mazira awo ku dzuwa.
Komabe, akuti mitundu yambiri ya ma dinosaur sinatulutse mazira, koma idawasiya kapena kuyiyika m'manda otentha ngati akamba.
Kutalika kofanana ndi mbalame
Kafukufuku waposachedwa ndi akatswiri a paleontologists akuti ma dinosaurs achichepere amataswa mkati mwa miyezi itatu kapena isanu ndi umodzi atayika mazira. Iyi ndi nthawi yayitali pafupifupi kawiri kuposa nthawi ya makulidwe amakono a mbalame zamakono, zomwe zimagwirizana ndi ma dinosaurs ndi abale awo apamtima. Kuphatikiza apo, ma dinosaurs anali akulu ndipo mwina anali ndi magazi ofunda, ndiye kuti, amafunikira chakudya chambiri - chifukwa chake, nthawi yayitali pakati pa mibadwo yatsopano zidapangitsa kuti zikhale zovuta kuthana ndi dziko losintha.
Phunziroli, akatswiri akuganiza kuti nthawi yayitali yogonera ikhoza kuyika ma dinosaurs pakavuto pomwe chimwala chachikulu chimagwera padziko lapansi zaka 66 miliyoni zapitazo. Chifukwa chakuti mazira amakula nthawi yayitali padziko lonse lapansi, pachilala komanso kusefukira kwa madzi, pomwe palibe chilichonse chamoyo padziko lapansi chomwe chingadziwe zomwe zingadye mawa, mwayi wochepa kwambiri womwe ungawakhudze. Choonadi chomvetsa chisoni cha moyo, chomwe chidasewera nthabwala mwankhanza ndi ma dinosaurs.
Kodi asayansi anadziwa bwanji kuti ndi ma dinosaurs angati amene amaphika mazira? Oddly mokwanira, pa "mphete zapachaka" pamano (kukhala achindunji kwambiri, "tsiku"). Mphete izi, zomwe zimatchedwanso kuti mizere ya von Ebner, zimapezeka nyama zonse, kuphatikizanso anthu. Amapangidwa ndi zigawo za dentin, zomwe zimasinthidwa tsiku lililonse. Cha m'ma 1990, mphete zomwezo zidapezeka m'mano a wankhanza, ndiye kuti tsopano mutha kunena kuchuluka kwake kwa dinosaur iliyonse yomwe imapezeka dzira.
Atatu mpaka asanu ndi mmodzi
Pogwiritsa ntchito zida zapamwamba, asayansi adayesa mazira angapo opezeka ndi ma dinosaur omwe adapezeka, kuphatikiza mazira 12 a protoceratops ndi mazira a dinosaur okhala ndi mbewa kukula kwa nkhumba, komanso dzino kuchokera ku chikho chachikulu cha bakha lotchedwa Hypacrosaurus stebingeri.
Zinapezeka kuti Protoceratops adapanga miyezi itatu asanamwalire, ndi Hypacrosaurus - patatha miyezi isanu ndi umodzi. Mbalame zamakono munthawi ya chisinthiko zapanga njira yoti ziziikira mazira akuluakulu kwambiri omwe ali ndi nthawi yochepa kwambiri yakukhazikika - kuyambira masiku 11 mpaka 85, zomwe zimawonjezera mwayi wa zotsatira zabwino.
Ntchito ya asayansi imakhala yovuta chifukwa chakuti mazira a dinosaur ndi ovuta kupeza. Chifukwa chake, chithunzi chonse cha momwe mitundu yosiyanasiyana ya ma dinosaurs amaswedwa mazira sichitha. Koma zikuwonekeratu kuti kuthamanga pankhaniyi ndikofunikira kwambiri kuposa kusamala.
Igor Pilot
Mimbulu ya ma dinosaurs, kutengera mitundu yawo, imaswa mazira kwa miyezi itatu kapena isanu ndi umodzi. Malingaliro awa adapangidwa ndi asayansi ochokera ku US National Academy of Sayansi. Izi zidanenedwa ndi RIA Novosti pofotokoza nkhani yasayansi yofalitsa nkhani ya PNAS. Asayansi anali ndi mafunso ambiri, makamaka, momwe mazere a ma dinosaur amapangira msanga.
“Chinsinsi chimodzi chachikulu komanso chachikulu kwambiri cha ma dinosaurs ndikuti sitinadziwe chilichonse chokhudza kupangidwa kwa mazira awo. Ngakhale mazira awo amawumbirira pang'onopang'ono ngati ndodo za abale awo apamtima, ng'ona ndi abuluzi, kapena anali ngati mbadwa zawo zamakono, mbalame zomwe mazira awo amakula mwachangu, "adafotokoza a Gregory Erickson a ku Yunivesite ya Florida ku Tallahassee (USA )
Erickson adanena kuti asayansi adaphunzira mazira a protoceratops ndi hyparchosaurs, omwe adapezeka kale ku Argentina, Mongolia ndi kumpoto kwa China. Kupadera kwa zomwe apezazi kunali kwakuti mazira amasungabe mano owoneka a mluza. Ofufuzawo adapitilira - adadula mano awa ndikupeza kuti amapangika watsopano tsiku lililonse.
Pambuyo pakupenda mozama komanso kuwerengera kwa ma stratations amenewa, akatswiri a paleontologists anazindikira nthawi yeniyeni ya moyo wa mwana wosabadwayo dzira. Zotsatira zake ndi izi: protoceratops - miyezi itatu, hyparchosaurs - miyezi isanu ndi umodzi.
Atazindikira izi, asayansi atsimikiziranso chiphunzitso chakuti ma dinosaurs ena anali nyama yamagazi ofunda. M'masiku akale, ankasoka mazira, ngati mbalame zamoyo, koma kapangidwe kake kanali pafupi kwambiri ndi ng'ona, asayansi akutero. Ziwonetsero zokha, monga momwe zimakhalira, zidabadwa mwachangu pang'ono kuposa ng'ona ndi abuluzi.