[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.zahoranek.cz\/tisice-malych-ocek\/#Article","mainEntityOfPage":"https:\/\/www.zahoranek.cz\/tisice-malych-ocek\/","headline":"Tis\u00edce mal\u00fdch o\u010dek","name":"Tis\u00edce mal\u00fdch o\u010dek","description":"Hmyz m\u00e1 mnoho p\u0159irozen\u00fdch nep\u0159\u00e1tel, a tak mu p\u0159\u00edroda dala jednu \u00fa\u017easnou v\u011bc. Slo\u017een\u00e9 oko. Moucha, v\u010dela, vosa m\u016f\u017ee.","datePublished":"2020-09-16","dateModified":"2020-09-16","author":{"@type":"Person","@id":"https:\/\/www.zahoranek.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.zahoranek.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c4e504508c75b610a351629e223ddd0c5b7858df84b2b7deedc4e007bdf99fc8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c4e504508c75b610a351629e223ddd0c5b7858df84b2b7deedc4e007bdf99fc8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"zahoranek.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"url":"https:\/\/www.zahoranek.cz\/tisice-malych-ocek\/","wordCount":396,"articleBody":"\tHmyz m\u00e1 mnoho p\u0159irozen\u00fdch nep\u0159\u00e1tel, a tak mu p\u0159\u00edroda dala jednu \u00fa\u017easnou v\u011bc. Slo\u017een\u00e9 oko. Moucha, v\u010dela, vosa m\u016f\u017ee tedy vid\u011bt doslova i za sv\u00e1 z\u00e1da.\tSlo\u017een\u00e9 oko m\u00e1 mnoho v\u00fdhod, ale tak\u00e9 n\u011bkter\u00e9 nev\u00fdhody.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nerozezn\u00e1v\u00e1 \u010dervenou barvu.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Nedok\u00e1\u017ee zaost\u0159it.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Obraz, kter\u00fd vn\u00edm\u00e1, je mozaikovit\u00fd.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Unikaj\u00ed mu drobn\u00e9 detaily.\t–\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Zat\u00edmco my dok\u00e1\u017eeme (pokud dob\u0159e vid\u00edme) rozeznat i mal\u00e9 p\u0159edm\u011bty, hmyz tuto schopnost nem\u00e1. Je u n\u011bho sn\u00ed\u017eena dokonce a\u017e dvacetin\u00e1sobn\u011b.\tP\u0159\u00edroda dala hmyz\u00edmu oku ale tak\u00e9 mnoho v\u00fdhod.\tTou nejz\u00e1sadn\u011bj\u0161\u00ed je vn\u00edmavost na ultrafialov\u00e9 sv\u011btlo. D\u00edky tomu dok\u00e1\u017ee vid\u011bt barevn\u00e9 rozli\u0161en\u00ed opylovan\u00fdch kv\u011bt\u016f. N\u011bkte\u0159\u00ed mot\u00fdli maj\u00ed na sv\u00fdch k\u0159\u00eddlech tyto ultrafialov\u00e9 barvy, kter\u00e9 dok\u00e1\u017e\u00ed vid\u011bt mot\u00fdli jejich druhu a slou\u017e\u00ed k vyhled\u00e1v\u00e1n\u00ed partnera. Slo\u017een\u00e9 hmyz\u00ed oko dok\u00e1\u017ee sv\u00e9ho majitele navigovat podle polarizovan\u00e9ho sv\u011btla, kter\u00e9 pronik\u00e1 skrz mraky i p\u0159i zata\u017een\u00e9 obloze. Tak\u00e9 l\u00e9pe zaznamen\u00e1v\u00e1 pohyb. Proto je tak t\u011b\u017ek\u00e9 pra\u0161tit mouchu.\tPro\u010d l\u00e9t\u00e1 m\u016fra za sv\u011btlemJednu z nev\u00fdhod slo\u017een\u00e9ho oka poci\u0165uje hlavn\u011b no\u010dn\u00ed hmyz. Mo\u017en\u00e1 si tak\u00e9 mysl\u00edte, \u017ee jsou m\u016fry a jin\u00ed no\u010dn\u00ed mot\u00fdlci opravdu m\u00e1lo inteligentn\u00ed. Nen\u00ed p\u0159eci logick\u00e9 vyl\u00e9tnout v noci a pak se usma\u017eit na roz\u017ehaven\u00e9 \u017e\u00e1rovce. Ono je to tak trochu jinak a za jejich necht\u011bn\u00e9 sebevra\u017edy m\u016f\u017eeme my. Souvis\u00ed to se zm\u00edn\u011bnou navigac\u00ed podle polarizovan\u00e9ho sv\u011btla.o\u00a0\u00a0 Jejich navigace je v\u00e1z\u00e1na na p\u0159irozen\u00e9 zdroje sv\u011btla \u2013 sv\u011btlo, kter\u00e9 odr\u00e1\u017e\u00ed M\u011bs\u00edc.o\u00a0\u00a0 Toto nebesk\u00e9 t\u011bleso je ale tak daleko, \u017ee hmyz\u00ed oko dok\u00e1\u017ee svit vn\u00edmat ob\u011bma o\u010dima stejn\u011b.Zat\u00edmco sv\u011btlo z lampy je velice bl\u00edzko a nedopad\u00e1 do obou slo\u017een\u00fdch o\u010d\u00ed stejnou intenzitou.To zabra\u0148uje hmyzu udr\u017eovat p\u0159\u00edm\u00fd sm\u011br. Hmyz je natolik zmaten, \u017ee za\u010dne m\u00e1vat k\u0159\u00eddly nestejn\u011b \u2013 z jedn\u00e9 strany rychleji. T\u00edm se z jeho letov\u00e9 dr\u00e1hy stane spir\u00e1la, kter\u00e1 ho dovede a\u017e do z\u00e1huby v \u017e\u00e1ru lampy.\u00a0                                                                                                                                                                                                                                                                                                                                                                                                "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Tis\u00edce mal\u00fdch o\u010dek","item":"https:\/\/www.zahoranek.cz\/tisice-malych-ocek\/#breadcrumbitem"}]}]