[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.klemanet.cz\/je-zebra-s-cerno-bilymi-pruhy-nebo-opacne\/#Article","mainEntityOfPage":"https:\/\/www.klemanet.cz\/je-zebra-s-cerno-bilymi-pruhy-nebo-opacne\/","headline":"Je zebra s \u010derno-b\u00edl\u00fdmi pruhy nebo opa\u010dn\u011b?","name":"Je zebra s \u010derno-b\u00edl\u00fdmi pruhy nebo opa\u010dn\u011b?","description":"Zebry \u017eij\u00ed pouze na africk\u00e9 savan\u011b a v\u011bt\u0161inou dr\u017e\u00ed pohromad\u011b, proto\u017ee to jsou st\u00e1dov\u00e1 zv\u00ed\u0159ata. […]","datePublished":"2020-03-27","dateModified":"2023-05-02","author":{"@type":"Person","@id":"https:\/\/www.klemanet.cz\/author\/#Person","name":"","url":"https:\/\/www.klemanet.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2d2764a424a89ac38785df784051989f5c5cb264a2405c7e5d24c1907a83f0fb?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2d2764a424a89ac38785df784051989f5c5cb264a2405c7e5d24c1907a83f0fb?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"klemanet.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.klemanet.cz\/wp-content\/uploads\/img_a372521_w4345_t1583992353.jpg","url":"https:\/\/www.klemanet.cz\/wp-content\/uploads\/img_a372521_w4345_t1583992353.jpg","height":0,"width":0},"url":"https:\/\/www.klemanet.cz\/je-zebra-s-cerno-bilymi-pruhy-nebo-opacne\/","about":["V\u011bda"],"wordCount":427,"articleBody":"Zebry \u017eij\u00ed pouze na africk\u00e9 savan\u011b a v\u011bt\u0161inou dr\u017e\u00ed pohromad\u011b, proto\u017ee to jsou st\u00e1dov\u00e1 zv\u00ed\u0159ata. Jejich komunita se skl\u00e1d\u00e1 ze sami\u010dek s d\u011btmi a samc\u016f, kte\u0159\u00ed cel\u00fd den pochoduj\u00ed a okous\u00e1vaj\u00ed st\u00e9bla trav. Tento savec se na svobod\u011b do\u017eije kolem 25 let. V\u00e1\u017e\u00ed od 200 do 500 kg.\u00a0K \u010demu zebra vlastn\u011b pot\u0159ebuje pruhy?\u00a0Teori\u00ed je samoz\u0159ejm\u011b mnoho a dodnes neexistuje jedno stoprocentn\u00ed vysv\u011btlen\u00ed, ale v\u011bdci n\u00e1m ukazuj\u00ed v\u00edcero \u0159e\u0161en\u00ed. Prvn\u00edm d\u016fvodem, co si tady \u0159ekneme, bude, \u017ee to je jak\u00e1si forma identifikace jednotliv\u00fdch jedinc\u016f. Pruhy zebry jde p\u0159irovnat k lidsk\u00fdm otisk\u016fm prst\u016f, proto\u017ee ty jsou pro ka\u017edou z nich naprosto jedine\u010dn\u00e9 a v\u00fdjime\u010dn\u00e9. Dal\u0161\u00ed popul\u00e1rn\u00ed teori\u00ed je, \u017ee c\u00edlem pruh\u016f je odpuzov\u00e1n\u00ed hmyzu. Funguje to na principu zmaten\u00ed nap\u0159. mouchy, u kter\u00e9 v\u011bdci na z\u00e1klad\u011b v\u00fdzkum\u016f p\u0159edpokl\u00e1daj\u00ed, \u017ee bude z pruh\u016f naprosto dezorientovan\u00e1 a bez jistoty bezpe\u010dn\u00e9ho p\u0159ist\u00e1n\u00ed. Ji\u017e t\u0159et\u00edm mo\u017en\u00fdm vysv\u011btlen\u00edm je, \u017ee pruhy jim zaji\u0161\u0165uj\u00ed maskov\u00e1n\u00ed p\u0159ed r\u016fzn\u00fdmi dravci, a p\u0159esn\u011b z tohoto d\u016fvodu zebry dr\u017e\u00ed pohromad\u011b, proto\u017ee \u010d\u00edm v\u00edc jich je, t\u00edm je slo\u017eit\u011bj\u0161\u00ed na n\u011b za\u00fato\u010dit. Nejpopul\u00e1rn\u011bj\u0161\u00ed teori\u00ed ale je tzv. termoregulace. M\u016f\u017eeme ve sv\u00e9 podstat\u011b \u0159\u00edct, \u017ee pruhy funguj\u00ed na z\u00e1klad\u011b \u201ep\u0159enosn\u00e9 klimatizace\u201d, proto\u017ee dva naprost\u00e9 protiklady (\u010dern\u00e1 a b\u00edl\u00e1) se kr\u00e1sn\u011b dopl\u0148uj\u00ed. \u010cern\u00e1 barva toti\u017e vst\u0159eb\u00e1v\u00e1 v\u00edce tepla, ale z\u00e1rove\u0148 to teplo pomaleji vypou\u0161t\u00ed, kde\u017eto b\u00edl\u00e1 funguje naprosto opa\u010dn\u011b. Ide\u00e1ln\u00ed kombinace pro termoregulaci v takov\u00fdch pro Afriku typick\u00fdch podm\u00ednk\u00e1ch.\u00a0Je\u0161t\u011b jako zaj\u00edmavost si \u0159ekneme, \u017ee k t\u011bmto zji\u0161t\u011bn\u00edm krom\u011b d\u016fkladn\u00e9ho b\u00e1d\u00e1n\u00ed klimatick\u00fdch podm\u00ednek v Africe, p\u0159isp\u011bli kon\u011b, kte\u0159\u00ed na sob\u011b m\u011bli zeb\u0159\u00ed potah, aby v\u011bdci v\u0161echno prozkoumali. Tento v\u00fdzkum prob\u00edhal v Brit\u00e1nii a byl publikov\u00e1n v PLOS One.\u00a0\u00a0M\u016f\u017eeme tedy \u0159\u00edci, \u017ee z\u00e1hada je \u010d\u00e1ste\u010dn\u011b vy\u0159e\u0161en\u00e1. Zebra vlastn\u011b pot\u0159ebuje svoje pruhy k\u00a0tomu, aby byla schopn\u00e1 p\u0159e\u017e\u00edt v\u00a0tepl\u00fdch africk\u00fdch klimatick\u00fdch podm\u00ednk\u00e1ch. Kdy\u017e se v\u00e1s na to d\u00edt\u011b p\u0159\u00ed\u0161t\u011b zept\u00e1, tak u\u017e v\u00edte, co m\u00e1te odpov\u011bd\u011bt.\u00a0                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Je zebra s \u010derno-b\u00edl\u00fdmi pruhy nebo opa\u010dn\u011b?","item":"https:\/\/www.klemanet.cz\/je-zebra-s-cerno-bilymi-pruhy-nebo-opacne\/#breadcrumbitem"}]}]