[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.megas-p.cz\/zit-se-da-i-bez-nohou\/#Article","mainEntityOfPage":"https:\/\/www.megas-p.cz\/zit-se-da-i-bez-nohou\/","headline":"\u017d\u00edt se d\u00e1 i bez nohou","name":"\u017d\u00edt se d\u00e1 i bez nohou","description":"Mezi nejzn\u00e1m\u011bj\u0161\u00ed zv\u00ed\u0159ata, kter\u00e1 nemaj\u00ed nohy, pat\u0159\u00ed hadi. A nejen to. Nemaj\u00ed ani u\u0161i. Orientuj\u00ed se v prostoru v z\u00e1vislosti na vibrac\u00edch zem\u011b. Nav\u00edc jsou…","datePublished":"2023-06-17","dateModified":"2024-05-17","author":{"@type":"Person","@id":"https:\/\/www.megas-p.cz\/author\/#Person","name":"","url":"https:\/\/www.megas-p.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/56990d361a15c60249588fcd5c65556d1c39f993ac5e20b5abce42fd817b46e8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/56990d361a15c60249588fcd5c65556d1c39f993ac5e20b5abce42fd817b46e8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"megas-p.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.megas-p.cz\/wp-content\/uploads\/gran-canaria-1171713_640_3.jpg","url":"https:\/\/www.megas-p.cz\/wp-content\/uploads\/gran-canaria-1171713_640_3.jpg","height":0,"width":0},"url":"https:\/\/www.megas-p.cz\/zit-se-da-i-bez-nohou\/","about":["Zv\u00ed\u0159ata"],"wordCount":449,"articleBody":"Mezi nejzn\u00e1m\u011bj\u0161\u00ed zv\u00ed\u0159ata, kter\u00e1 nemaj\u00ed nohy, pat\u0159\u00ed hadi. A nejen to. Nemaj\u00ed ani u\u0161i. Orientuj\u00ed se v prostoru v z\u00e1vislosti na vibrac\u00edch zem\u011b. Nav\u00edc jsou \u0159azeni mezi ektotermn\u00ed \u017eivo\u010dichy, co\u017e znamen\u00e1, \u017ee nedok\u00e1\u017eou regulovat svoji t\u011blesnou teplotu. A z\u00e1visl\u00ed jsou proto na prost\u0159ed\u00ed, ve kter\u00e9m se pohybuj\u00ed. Snad proto jsou ozna\u010dov\u00e1ni jako studenokrevn\u00ed. P\u0159esto\u017ee je zn\u00e1mo, \u017ee v minulosti hadi nohy m\u011bli, ale b\u011bhem evoluce o n\u011b p\u0159i\u0161li, velkou pomoc\u00ed v orientaci a pohybu jim jsou\u00a0\u0161upiny na povrchu jejich t\u011bl. Na kter\u00e9 vyv\u00edjej\u00ed tlak svaly a p\u0159itla\u010duj\u00ed je k zemi. \u010c\u00edm\u017e se tito beznoz\u00ed \u017eivo\u010dichov\u00e9 bez probl\u00e9m\u016f pohybuj\u00ed v ter\u00e9nu, do kter\u00e9ho\u00a0by zv\u00ed\u0159e s nohama nedostalo.Stejn\u011b jako hadi, bez kon\u010detin jsou i je\u0161t\u011brky, kter\u00e9 si s nimi lid\u00e9 \u010dasto pletou. V sou\u010dasnosti je zn\u00e1mo dev\u011bt druh\u016f beznoh\u00fdch je\u0161t\u011br\u016f. Z nich\u017e mezi nejzn\u00e1m\u011bj\u0161\u00ed pat\u0159\u00ed je\u0161t\u011brky pomal\u00e9. Kter\u00e9 jsou nav\u00edc, vzhledem k velikosti o\u010d\u00ed, ozna\u010dov\u00e1ny slep\u00e9. A je\u0161t\u011brky \u010derviv\u00e9, p\u0159i\u010dem\u017e v evropsk\u00e9m regionu to jsou je\u0161t\u011brky ibersk\u00e9. Existuje n\u011bkolik dobr\u00fdch rad, jak hada od je\u0161t\u011brek rozeznat na prvn\u00ed pohled. \u010c\u00edm\u017e se n\u00e1v\u0161t\u011bvn\u00edci p\u0159\u00edrody zbav\u00ed i strachu, \u017ee je zahl\u00e9dnut\u00fd tvor jedovat\u00fd. Beznoz\u00ed je\u0161t\u011b\u0159i oproti had\u016fm maj\u00ed o\u010dn\u00ed v\u00ed\u010dka. Tak\u017ee jimi i dok\u00e1\u017eou mrkat. Vzhledem k tomu, \u017ee hadi nemaj\u00ed u\u0161i, je\u0161t\u011brka na jak\u00fdkoliv zvuk reaguje otvorem na hlav\u011b. A dot\u0159etice je to velikost \u010delisti. Kterou je\u0161t\u011brka nikdy neotev\u0159e tak \u0161iroce jako had.\u017d\u00ed\u017ealy jsou dal\u0161\u00edm beznoh\u00fdm tvorem, se kter\u00fdm se m\u016f\u017eeme setkat jak v zahrad\u011b, tak na louce \u010di lese. T\u011bmto \u017eivo\u010dich\u016fm chyb\u00ed krom\u011b nohou rovn\u011b\u017e o\u010di, ale z\u00e1rove\u0148\u00a0v jejich t\u011ble nenajdeme kosti. I \u017e\u00ed\u017eal\u00e1m v pohybu pom\u00e1haj\u00ed \u0161t\u011btinky, kter\u00e9 jim zabra\u0148uj\u00ed v uklouznut\u00ed p\u0159i pohybu na zemi. Nej\u010dast\u011bji ale \u017eij\u00ed pod zem\u00ed. Kde jim zase pom\u00e1haj\u00ed uchopit zeminu p\u0159i p\u0159em\u00eds\u0165ov\u00e1n\u00ed. Rychlost je odvisl\u00e1 od jejich velikosti. V\u011bt\u0161\u00ed \u017e\u00ed\u017ealy b\u00fdvaj\u00ed z\u00e1rove\u0148 i rychlej\u0161\u00ed. Do stejn\u00e9 kategorie zv\u00ed\u0159at se \u0159ad\u00ed i m\u011bkk\u00fd\u0161i. Kte\u0159\u00ed se vyskytuj\u00ed po cel\u00e9m sv\u011bt\u011b a \u017eij\u00ed p\u0159ev\u00e1\u017en\u011b na vlhk\u00fdch a vodn\u00edch ploch\u00e1ch. Mezi nejzn\u00e1m\u011bj\u0161\u00ed pat\u0159\u00ed \u0161neci, ml\u017ei, \u00fast\u0159ice \u010di chobotnice a s\u00e9pie.                                                                                                                                                                                                                                                                                                                                                                                        4.8\/5 - (13 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u017d\u00edt se d\u00e1 i bez nohou","item":"https:\/\/www.megas-p.cz\/zit-se-da-i-bez-nohou\/#breadcrumbitem"}]}]