[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.pstech.cz\/plazi\/#Article","mainEntityOfPage":"https:\/\/www.pstech.cz\/plazi\/","headline":"Plazi","name":"Plazi","description":"Prvn\u00edmi plazy na Zemi byli dinosau\u0159i. Na t\u00e9to planet\u011b \u017eili v\u00edce ne\u017e 130 milion\u016f […]","datePublished":"2021-11-11","dateModified":"2023-05-02","author":{"@type":"Person","@id":"https:\/\/www.pstech.cz\/author\/#Person","name":"","url":"https:\/\/www.pstech.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4c052e7a73c1efe5fd04a7144e27996a074b623217a764a72d90cb6a084de021?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4c052e7a73c1efe5fd04a7144e27996a074b623217a764a72d90cb6a084de021?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"pstech.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.pstech.cz\/wp-content\/uploads\/crocodile-gd8d2111db_640.jpg","url":"https:\/\/www.pstech.cz\/wp-content\/uploads\/crocodile-gd8d2111db_640.jpg","height":0,"width":0},"url":"https:\/\/www.pstech.cz\/plazi\/","about":["Zv\u00ed\u0159ata"],"wordCount":412,"articleBody":"Prvn\u00edmi plazy na Zemi byli dinosau\u0159i. Na t\u00e9to planet\u011b \u017eili v\u00edce ne\u017e 130 milion\u016f let. \u017dilo zde mnoho druh\u016f dinosaur\u016f a p\u0159ev\u00e1\u017en\u011b to byli dinosau\u0159i velk\u00fdch rozm\u011br\u016f. Ne v\u0161ichni z nich v\u0161ak byli maso\u017erav\u00ed, jak by se mohlo, p\u0159i jejich velikosti, jevit. Nap\u0159\u00edklad Brontosaurus se, p\u0159i sv\u00e9 v\u00fd\u0161ce 10 metr\u016f, \u017eivil v\u011btvemi strom\u016f a vysok\u00fdmi rostlinami.\u00a0Krokod\u00fdli pat\u0159\u00ed do t\u0159\u00eddy plaz\u016f, kte\u0159\u00ed \u017eili ji\u017e v prav\u011bku. Krokod\u00fdl, jak ho zn\u00e1me dnes se v\u0161ak vyvinul asi p\u0159ed 80 mili\u00f3ny let. Krokod\u00fdl je velice nebezpe\u010dn\u00e9 zv\u00ed\u0159e. Z naprost\u00e9ho klidu vyvine rychlost 70km\/h, aby polapil svou ko\u0159ist. Pokud se jedn\u00e1 o men\u0161\u00ed ko\u0159ist, usmrt\u00ed ji krokod\u00fdl hned. V\u011bt\u0161\u00ed ko\u0159ist si st\u00e1hne pod hladinu, kde ji utop\u00ed. Krokod\u00fdli ro\u010dn\u011b zab\u00edj\u00ed 2 500 lid\u00ed.Had\u016f je na sv\u011bt\u011b 3 600 druh\u016f. Mezi hady, kte\u0159\u00ed nejsou nebezpe\u010dn\u00ed pat\u0159\u00ed slep\u00fd\u0161. Jeho potravou jsou hlavn\u011b \u017e\u00ed\u017ealy. Jedovat\u00fdm hadem je zmije, ale jej\u00ed jed nen\u00ed tak siln\u00fd, aby ohrozil \u017eivot zdrav\u00e9ho dosp\u011bl\u00e9ho \u010dlov\u011bka. Ke smrteln\u011b jedovat\u00fdm had\u016fm pat\u0159\u00ed ch\u0159est\u00fd\u0161, kobra nebo t\u0159eba mamba. Kobra kr\u00e1lovsk\u00e1 je nejdel\u0161\u00edm jedovat\u00fdm hadem na sv\u011bt\u011b. Mamba \u010dern\u00e1 je velice plach\u00fd had, jej\u00ed p\u0159\u00edpadn\u00e9 u\u0161tknut\u00ed je v\u0161ak smrteln\u00e9. Hadem \u0161krti\u010dem je hrozn\u00fd\u0161 kr\u00e1lovsk\u00fd. Jeho obl\u00edbenou ko\u0159ist\u00ed jsou potkani nebo pt\u00e1ci. Krajta je dal\u0161\u00edm hadem z \u010deledi \u0161krti\u010d\u016f. Dlouh\u00e1 m\u016f\u017ee b\u00fdt a\u017e 9 metr\u016f. J\u00eddeln\u00ed\u010dkem t\u011bchto had\u016f jsou velc\u00ed \u017eivo\u010dichov\u00e9. Ne\u010din\u00ed j\u00ed probl\u00e9my pochutnat si i na \u010dlov\u011bku nebo krokod\u00fdlovi. Anakonda nen\u00ed obvykle tak dlouh\u00e1 jako krajta, je to v\u0161ak nejt\u011b\u017e\u0161\u00ed had na sv\u011bt\u011b. V\u00e1\u017eit m\u016f\u017ee okolo 100kg. Jej\u00ed potravou jsou ryby, antilopy, ulov\u00ed v\u0161ak i divok\u00e9 prase. Na Zemi je kolem 3 000 druh\u016f je\u0161t\u011br\u016f. V\u011bt\u0161inou jsou to mal\u00e9 druhy jako t\u0159eba je\u0161t\u011brky, agamy, chameleoni nebo bazili\u0161ek. Velk\u00fdm je\u0161t\u011brem je varan. Nejv\u011bt\u0161\u00edm druhem je varan komodsk\u00fd, kter\u00fd m\u00e1 hmotnost a\u017e 150 kg. Kv\u016fli zm\u011bn\u011b klimatu je v ohro\u017een\u00ed 60% druh\u016f \u017eelv. Nejv\u011bt\u0161\u00ed suchozemskou \u017eelvou na sv\u011bt\u011b je \u017eelva obrovsk\u00e1, kter\u00e1 v\u00e1\u017e\u00ed v\u00edce ne\u017e 350 kg. Tato \u017eelva \u017eije na Seychel\u00e1ch. Obvykle se do\u017e\u00edv\u00e1 v\u00edce ne\u017e 100 let.\u00a0                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Plazi","item":"https:\/\/www.pstech.cz\/plazi\/#breadcrumbitem"}]}]