[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.solartis.cz\/jak-se-vyvinuli-dnesni-ptaci\/#Article","mainEntityOfPage":"https:\/\/www.solartis.cz\/jak-se-vyvinuli-dnesni-ptaci\/","headline":"Jak se vyvinuli dne\u0161n\u00ed pt\u00e1ci","name":"Jak se vyvinuli dne\u0161n\u00ed pt\u00e1ci","description":"Je faktem, \u017ee s\u00a0pt\u00e1ky se setk\u00e1v\u00e1 prakticky ka\u017ed\u00fd z\u00a0n\u00e1s. Najdeme je v\u00a0p\u0159\u00edrod\u011b, na vesnic\u00edch i ve m\u011bstech, a\u0165 u\u017e divok\u00e9 \u010di domestikovan\u00e9. N\u011bkte\u0159\u00ed z\u00a0nich, jako nap\u0159\u00edklad holubi, jsou pova\u017eov\u00e1ni sp\u00ed\u0161e za \u0161kodnou, zat\u00edmco jin\u00ed jsou chr\u00e1n\u011bni z\u00e1konem.\u00a0Jen m\u00e1lokdo se v\u0161ak zamysl\u00ed nad t\u00edm, jak\u00e1 evolu\u010dn\u00ed cesta vedla k\u00a0t\u011bm ok\u0159\u00eddlen\u00fdm tvor\u016fm, kter\u00e9 zn\u00e1me dnes. Jsou toti\u017e mnohem star\u0161\u00ed, ne\u017e by se […]","datePublished":"2022-08-17","dateModified":"2023-05-01","author":{"@type":"Person","@id":"https:\/\/www.solartis.cz\/author\/#Person","name":"","url":"https:\/\/www.solartis.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d6cba3ab97c30e0df0e32548954cb6b1550f4672bd3a4687bf1118b122d757e8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d6cba3ab97c30e0df0e32548954cb6b1550f4672bd3a4687bf1118b122d757e8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"solartis.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.solartis.cz\/wp-content\/uploads\/ptak1.jpg","url":"https:\/\/www.solartis.cz\/wp-content\/uploads\/ptak1.jpg","height":0,"width":0},"url":"https:\/\/www.solartis.cz\/jak-se-vyvinuli-dnesni-ptaci\/","about":["V\u011bda"],"wordCount":431,"articleBody":"Je faktem, \u017ee s\u00a0pt\u00e1ky se setk\u00e1v\u00e1 prakticky ka\u017ed\u00fd z\u00a0n\u00e1s. Najdeme je v\u00a0p\u0159\u00edrod\u011b, na vesnic\u00edch i ve m\u011bstech, a\u0165 u\u017e divok\u00e9 \u010di domestikovan\u00e9. N\u011bkte\u0159\u00ed z\u00a0nich, jako nap\u0159\u00edklad holubi, jsou pova\u017eov\u00e1ni sp\u00ed\u0161e za \u0161kodnou, zat\u00edmco jin\u00ed jsou chr\u00e1n\u011bni z\u00e1konem.\u00a0Jen m\u00e1lokdo se v\u0161ak zamysl\u00ed nad t\u00edm, jak\u00e1 evolu\u010dn\u00ed cesta vedla k\u00a0t\u011bm ok\u0159\u00eddlen\u00fdm tvor\u016fm, kter\u00e9 zn\u00e1me dnes. Jsou toti\u017e mnohem star\u0161\u00ed, ne\u017e by se mohlo na prvn\u00ed pohled zd\u00e1t.\u00a0Pravdou toti\u017e je, \u017ee se jedn\u00e1 o p\u0159\u00edm\u00e9 potomky dinosaur\u016f. Nejstar\u0161\u00edm zn\u00e1m\u00fdm p\u0159edkem na\u0161ich ku\u0159at, slepic \u010di kohout\u016f je velociraptor. Ano, ten, kter\u00e9ho zn\u00e1me z\u00a0Jursk\u00e9ho parku a Jursk\u00e9ho sv\u011bta. Ov\u0161em je pot\u0159eba \u0159\u00edci, \u017ee ve skute\u010dnosti vypadal pon\u011bkud jinak, ne\u017e jak jej zobrazuj\u00ed tyto filmy.\u00a0\u00a0Ano, jednalo se o pred\u00e1tora lov\u00edc\u00edho ve sme\u010dce a vybaven\u00e9ho smrt\u00edc\u00edmi dr\u00e1py, p\u0159edev\u0161\u00edm na noh\u00e1ch. Av\u0161ak byl jen o n\u011bco v\u011bt\u0161\u00ed ne\u017e dne\u0161n\u00ed krocan. Byl tak\u00e9 ope\u0159en\u00fd, i kdy\u017e p\u0159esnou barvu samoz\u0159ejm\u011b nen\u00ed mo\u017en\u00e9 ur\u010dit.\u00a0Jak se ale u dinosaur\u016f vyvinula schopnost l\u00e9tat? Pon\u011bkud jinak ne\u017e u pterodaktyl\u016f, a\u010d by se to mohlo zd\u00e1t zvl\u00e1\u0161tn\u00ed. Z\u00e1kladem je samoz\u0159ejm\u011b pe\u0159\u00ed. Jeho v\u00fdvoj nen\u00ed a\u017e tak p\u0159ekvapiv\u00fd, kdy\u017e si uv\u011bdom\u00edme, \u017ee se jedn\u00e1 v\u00a0podstat\u011b o prodlou\u017een\u00e9 \u0161upiny. P\u016fvodn\u011b v\u0161ak slou\u017eilo jen k\u00a0tepeln\u00e9 izolaci. Postupn\u011b se v\u0161ak p\u0159idaly dal\u0161\u00ed v\u00fdhody.\u00a0\u00a0Tou prvn\u00ed byly lep\u0161\u00ed man\u00e9vrovac\u00ed schopnosti, co\u017e bylo ide\u00e1ln\u00ed zejm\u00e9na pro rychl\u00e9 lovce, jak\u00fdmi byli pr\u00e1v\u011b rapto\u0159i. Ti mohli d\u00edky sv\u00fdm ostr\u00fdm dr\u00e1p\u016fm tak\u00e9 \u0161plhat, a zde se uk\u00e1zala dal\u0161\u00ed v\u00fdhoda toho, \u017ee byli ope\u0159en\u00ed \u2013 dok\u00e1zali plachtit.\u00a0Nejprve samoz\u0159ejm\u011b na velmi kr\u00e1tk\u00e9 vzd\u00e1lenosti, av\u0161ak pro n\u011bkter\u00e9 druhy dinosaur\u016f i to znamenalo rozd\u00edl mezi \u017eivotem a smrt\u00ed. U nich se tedy tato schopnost st\u00e1le zlep\u0161ovala. To zahrnovalo del\u0161\u00ed pera a pa\u017ee, ale tak\u00e9 postupn\u00e9 odleh\u010dov\u00e1n\u00ed kostry.\u00a0V\u00a0tomto okam\u017eiku byli tito tvorov\u00e9 ji\u017e jen kousek od samostatn\u00e9ho letu. Jist\u011b, v\u00fdvoj do dne\u0161n\u00ed podoby trval des\u00edtky milion\u016f let. Av\u0161ak to, \u017ee dok\u00e1zali po takovou dobu p\u0159e\u017e\u00edt n\u00e1m ukazuje jejich vitalitu.                                                                                                                                                                                                                                                                                                                                                                                        4\/5 - (12 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak se vyvinuli dne\u0161n\u00ed pt\u00e1ci","item":"https:\/\/www.solartis.cz\/jak-se-vyvinuli-dnesni-ptaci\/#breadcrumbitem"}]}]