{"id":40114,"date":"2018-07-16T14:25:46","date_gmt":"2018-07-16T18:25:46","guid":{"rendered":"https:\/\/paginiromanesti.ca\/?p=40114"},"modified":"2018-07-16T14:25:46","modified_gmt":"2018-07-16T18:25:46","slug":"dinozaurii-puteau-scoate-limba-arata-filmele","status":"publish","type":"post","link":"https:\/\/paginiromanesti.ca\/2018\/07\/16\/dinozaurii-puteau-scoate-limba-arata-filmele\/","title":{"rendered":"Dinozaurii nu puteau scoate limba, cum arat\u0103 filmele"},"content":{"rendered":"

O echip\u0103 de cercet\u0103tori din China \u015fi Statele Unite ale Americii a descoperit c\u0103 dinozaurii din specia Tyrannosaurus rex nu erau capabili s\u0103 scoat\u0103 limba, contrar ipostazei clasice promovat\u0103 de peliculele cinematografice \u00een care ace\u015ftia sunt \u00eenf\u0103\u0163i\u015fa\u0163i ca ni\u015fte \u015fop\u00e2rle gigantice \u00eenfrico\u015f\u0103toare cu din\u0163ii dezgoli\u0163i \u015fi cu limbile \u00eentinse, noteaz\u0103 Xinhua.<\/h2>\n

\u00centr-un studiu publicat ecent\u00een jurnalul PLOS ONE, oamenii de \u015ftiin\u0163\u0103 au sugerat c\u0103 limbile multor dinozauri erau probabil fixate de partea de jos a gurii, \u00een mod similar aligatorilor.<\/p>\n

Echipa condus\u0103 de Li Zhiheng, profesor asociat \u00een cadrul Academiei de \u015etiin\u0163e din China, a comparat caracteristicile limbilor dinozaurilor cu ale animalelor din ziua noastr\u0103, printre acestea num\u0103r\u00e2ndu-se trei aligatori \u015fi treisprezece specii de p\u0103s\u0103ri diverse, precum stru\u0163i \u015fi ra\u0163e.<\/p>\n

Printre specimenele fosilizate, cele mai multe provenind din nord-estul Chinei, s-au num\u0103rat dinozauri de dimensiuni mici asem\u0103n\u0103tori p\u0103s\u0103rilor, dar \u015fi un pterozaur \u015fi un T. Rex, unul dintre cei mai mari carnivori tere\u015ftri, scrie Agerpres<\/a>.<\/p>\n

Rezultatele au indicat c\u0103 osul hioid de la majoritatea dinozaurilor era similar cu cel al aligatorilor \u015fi crocodililor, scurt, simplu \u015fi conectat cu o limb\u0103 care nu beneficia de un nivel mare de mobilitate.<\/p>\n

Aceste concluzii au dezv\u0103luit c\u0103 modelele dramatizate care \u00eei \u00eenf\u0103\u0163i\u015feaz\u0103 pe dinozauri cu limbile scoase afar\u0103 printre f\u0103lci sunt eronate, dup\u0103 cum a subliniat Julia Clarke, profesoar\u0103 de \u015ftiin\u0163e geologice la Universitatea Austin din Texas, coautoare a studiului.<\/p>\n

De asemenea, oamenii de \u015ftiin\u0163\u0103 au descoperit c\u0103 \u00een cazul pterozaurilor, animale cu coloan\u0103 vertebral\u0103 care se puteau ridica de la sol, dar \u015fi al p\u0103s\u0103rilor osul hioid prezint\u0103 o diversitate de forme.<\/p>\n

Oasele limbii ac\u0163ioneaz\u0103 ca ni\u015fte ancore care sus\u0163in limbile \u00een cazul multor animale, \u00eens\u0103 la p\u0103s\u0103ri aceste oase se pot extinde p\u00e2n\u0103 spre v\u00e2rf.<\/p>\n

Cercet\u0103torii sugereaz\u0103 c\u0103 varietatea de forme poate avea leg\u0103tur\u0103 cu capacitatea de a zbura sau cu faptul c\u0103 aceste vie\u0163uitoare au evoluat de la un str\u0103mo\u015f care putea zbura la p\u0103s\u0103ri care nu au aceast\u0103 abilitate, precum stru\u0163ii \u015fi emu.<\/p>\n

Oamenii de \u015ftiin\u0163\u0103 au propus ideea c\u0103 odat\u0103 cu capacitatea de a se \u00een\u0103l\u0163a \u00een zbor aceste vie\u0163uitoare au dob\u00e2ndit \u015fi noi modalit\u0103\u0163i de hr\u0103nire care ar putea explica diversitatea \u015fi mobilitatea limbilor lor.<\/p>\n

Aceast\u0103 evolu\u0163ie ar putea fi comparat\u0103 cu transformarea membrelor superioare \u00een aripi, a precizat Li.<\/p>\n","protected":false},"excerpt":{"rendered":"

O echip\u0103 de cercet\u0103tori din China \u015fi Statele Unite ale Americii a descoperit c\u0103 dinozaurii din specia Tyrannosaurus rex nu erau capabili s\u0103 scoat\u0103 limba, contrar ipostazei clasice promovat\u0103 de peliculele cinematografice \u00een care ace\u015ftia sunt \u00eenf\u0103\u0163i\u015fa\u0163i ca ni\u015fte \u015fop\u00e2rle gigantice \u00eenfrico\u015f\u0103toare cu din\u0163ii dezgoli\u0163i \u015fi cu limbile \u00eentinse, noteaz\u0103 Xinhua. \u00centr-un studiu publicat ecent\u00een […]<\/p>\n","protected":false},"author":2,"featured_media":40115,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"O echip\u0103 de cercet\u0103tori din China \u015fi Statele Unite ale Americii a descoperit c\u0103 dinozaurii din specia Tyrannosaurus rex nu erau capabili s\u0103 scoat\u0103 limba, contrar ipostazei clasice promovat\u0103 de peliculele cinematografice","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[27],"tags":[3201,227],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/paginiromanesti.ca\/wp-content\/uploads\/2018\/07\/e836b00f2ef3073ecd0b470de7444e90fe76e7d618b0194596f4c6_640_dinosaur.jpg","jetpack_shortlink":"https:\/\/wp.me\/p9PoWe-ar0","_links":{"self":[{"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/posts\/40114"}],"collection":[{"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/comments?post=40114"}],"version-history":[{"count":0,"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/posts\/40114\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/media\/40115"}],"wp:attachment":[{"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/media?parent=40114"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/categories?post=40114"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/paginiromanesti.ca\/wp-json\/wp\/v2\/tags?post=40114"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}