[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.haag.cz\/nejen-hadi\/#Article","mainEntityOfPage":"https:\/\/www.haag.cz\/nejen-hadi\/","headline":"Nejen hadi","name":"Nejen hadi","description":"Je\u0161t\u011brky si \u010dasto lid\u00e9 pletou s hady. Stejn\u011b jako oni sice pat\u0159\u00ed do skupiny beznoh\u00fdch plaz\u016f. Na na\u0161\u00ed planet\u011b jich \u017eije\u00a0okolo dvou set druh\u016f, z nich\u017e nejv\u00edce roz\u0161\u00ed\u0159en\u00e9 jsou ibersk\u00e9. Beznoh\u00e9 je\u0161t\u011brky sice jako hadi vypadaj\u00ed, ale mezi jedovat\u00e9 tvory nepat\u0159\u00ed. Aby si je lid\u00e9 nepletli, je pot\u0159eba v\u011bd\u011bt, \u017ee je\u0161t\u011b\u0159i maj\u00ed o\u010dn\u00ed v\u00ed\u010dka a...<p class=\"more-link-wrap\"><a href=\"https:\/\/www.haag.cz\/nejen-hadi\/\" class=\"more-link\">P\u0159e\u010d\u00edst<span class=\"screen-reader-text\"> &ldquo;Nejen hadi&rdquo;<\/span> &raquo;<\/a><\/p>","datePublished":"2022-11-10","dateModified":"2023-07-10","author":{"@type":"Person","@id":"https:\/\/www.haag.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.haag.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/0dc285cbe86eecc8073f119fcb2e2c7032b51533f5bb47611c7d4a598558b8b7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0dc285cbe86eecc8073f119fcb2e2c7032b51533f5bb47611c7d4a598558b8b7?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"haag.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.haag.cz\/wp-content\/uploads\/unnamed_3.jpg","url":"https:\/\/www.haag.cz\/wp-content\/uploads\/unnamed_3.jpg","height":0,"width":0},"url":"https:\/\/www.haag.cz\/nejen-hadi\/","about":["Zv\u00ed\u0159ata"],"wordCount":465,"articleBody":"Je\u0161t\u011brky si \u010dasto lid\u00e9 pletou s hady. Stejn\u011b jako oni sice pat\u0159\u00ed do skupiny beznoh\u00fdch plaz\u016f. Na na\u0161\u00ed planet\u011b jich \u017eije\u00a0okolo dvou set druh\u016f, z nich\u017e nejv\u00edce roz\u0161\u00ed\u0159en\u00e9 jsou ibersk\u00e9. Beznoh\u00e9 je\u0161t\u011brky sice jako hadi vypadaj\u00ed, ale mezi jedovat\u00e9 tvory nepat\u0159\u00ed. Aby si je lid\u00e9 nepletli, je pot\u0159eba v\u011bd\u011bt, \u017ee je\u0161t\u011b\u0159i maj\u00ed o\u010dn\u00ed v\u00ed\u010dka a p\u0159i setk\u00e1n\u00ed s v\u00e1mi zamrkaj\u00ed. Oproti had\u016fm maj\u00ed otvor na hlav\u011b, kter\u00fdm vn\u00edmaj\u00ed zvuky z okol\u00ed, kde\u017eto hadi se spol\u00e9haj\u00ed p\u0159i p\u0159em\u00eds\u0165ov\u00e1n\u00ed z m\u00edsta na m\u00edsto\u00a0na vibrace. A proto\u017ee se \u017eiv\u00ed drobn\u00fdm hmyzem a \u017eivo\u010dichy nemohou tak \u0161iroce otev\u00edrat \u010delisti jako hadi. Kte\u0159\u00ed jsou schopni ulovit i velkou ko\u0159ist. Pohyb t\u011bchto zv\u00ed\u0159at je umo\u017en\u011bn mno\u017estv\u00edm \u0161upin, kter\u00fdmi jsou jejich t\u011bla porostl\u00e1. A t\u00edm, \u017ee svaly na n\u011b vyv\u00edjej\u00ed tlak, \u010d\u00edm\u017e je p\u0159itla\u010d\u00ed k zemi, jim je umo\u017en\u011bn\u00a0pohyb.Bez nohou se rovn\u011b\u017e pohybuj\u00ed \u017e\u00ed\u017ealy. \u017divo\u010dich, kter\u00fd nejen\u017ee nem\u00e1 nohy, ale i ani ruce, kosti\u00a0a o\u010di. Jsou to plaziv\u00ed hermafroditi, plaz\u00edc\u00ed se pomoc\u00ed \u0161t\u011btinek, kter\u00e9 z\u00e1rove\u0148 zabra\u0148uj\u00ed jejich necht\u011bn\u00e9mu klouz\u00e1n\u00ed. T\u00edm, \u017ee \u017eij\u00ed pod zem\u00ed, zvl\u00e1dnou i uchopit p\u0159i pohybu p\u016fdu. Bezobratl\u00ed \u017eivo\u010dichov\u00e9 jako jsou m\u011bkk\u00fd\u0161i, jich\u017e je na sv\u011bt\u011b velk\u00e9 mno\u017estv\u00ed druh\u016f, nemaj\u00ed rovn\u011b\u017e krom\u011b nohou ani kosti, ani p\u00e1te\u0159. V \u010deledi chobotnicovit\u00fdch jsou p\u0159edev\u0161\u00edm tvorov\u00e9, kte\u0159\u00ed \u017eij\u00ed ve vlhk\u00e9m prost\u0159ed\u00ed. A\u0165\u00a0u\u017e ve sladk\u00fdch vod\u00e1ch \u0159ek\u00a0\u010di ve slan\u00fdch v mo\u0159\u00edch a oce\u00e1nech. Mezi nejzn\u00e1m\u011bj\u0161\u00edmi jsou ml\u017ei, \u0161neci, sl\u00e1vky, chobotnice, \u0161keble \u010di s\u00e9pie. Mnoz\u00ed z nich je vyzbrojeno chapadly a n\u011bkte\u0159\u00ed ochrannou schr\u00e1nkou.Ploutvono\u017eci sice vypadaj\u00ed, jakoby by nohy m\u011bli, ale nemaj\u00ed. Tuleni, mro\u017ei a lachtani pou\u017e\u00edvaj\u00ed ke sv\u00e9mu pohybu ploutve. P\u0159esto\u017ee se p\u0159ev\u00e1\u017en\u011b pohybuj\u00ed ve vod\u011b, dok\u00e1\u017eou to i na sou\u0161i. Obzvl\u00e1\u0161t\u011b tuleni jsou schopni se p\u0159edn\u00edmi ploutvemi dostat na b\u0159eh. Ryby jsou vodn\u00ed \u017eivo\u010dichov\u00e9, kter\u00e9 t\u00edm, \u017ee maj\u00ed p\u00e1te\u0159, jsou za\u0159azeny mezi obratlovce. T\u00edm \u017ee \u017eij\u00ed v\u00fdhradn\u011b ve vod\u011b, ani nohy nepot\u0159ebuj\u00ed. Ploutvemi, kter\u00fdmi man\u00e9vruj\u00ed svoje t\u011bla, se pohybuj\u00ed nejen v \u0159ek\u00e1ch a rybn\u00edc\u00edch. Nejv\u011bt\u0161\u00ed mno\u017estv\u00ed jich \u017eije v mo\u0159\u00edch. I na dnech oce\u00e1n\u016f. V m\u00edstech, kter\u00e1 jsou v takov\u00fdch hloubk\u00e1ch, \u017ee ani mnohdy je\u0161t\u011b nebyly zdokumentov\u00e1ny v\u011bdeck\u00fdmi pracovn\u00edky.\u00a0                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Nejen hadi","item":"https:\/\/www.haag.cz\/nejen-hadi\/#breadcrumbitem"}]}]