[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.dorine.sk\/zvierata-zivocisne-bunky\/#Article","mainEntityOfPage":"https:\/\/www.dorine.sk\/zvierata-zivocisne-bunky\/","headline":"Zvierat\u00e1 – \u017eivo\u010d\u00ed\u0161ne bunky","name":"Zvierat\u00e1 – \u017eivo\u010d\u00ed\u0161ne bunky","description":"\u017divo\u010d\u00ed\u0161ne bunky – bunky s\u00fa drobn\u00e9 jednotky, z ktor\u00fdch sa skladaj\u00fa \u017eiv\u00e9 organizmy, niektor\u00e9 organizmy pozost\u00e1vaj\u00fa len z jedinej bunky, zatia\u013e \u010do tel\u00e1 in\u00fdch, napr\u00edklad \u013eud\u00ed, tvoria miliardy buniek. Bunka je z\u00e1kladn\u00e1 samostatn\u00e1 jednotka \u017eivej hmoty, z\u00edskava energiu a vyu\u017e\u00edva ju na vlastn\u00fa stavbu a na rozmno\u017eovanie. Bunky s\u00fa z\u00e1kladnoustavebnou jednotkou organizmu a v\u00e4\u010d\u0161iu \u010das\u0165 … ","datePublished":"2023-01-30","dateModified":"2024-02-21","author":{"@type":"Person","@id":"https:\/\/www.dorine.sk\/author\/#Person","name":"","url":"https:\/\/www.dorine.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/11f8c6ff4d174e1ebef1d6401491d0892ff6534e7a3312fbf752a8f90a4375cd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/11f8c6ff4d174e1ebef1d6401491d0892ff6534e7a3312fbf752a8f90a4375cd?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"dorine.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.dorine.sk\/wp-content\/uploads\/IMG_20230329_021025_2.jpg","url":"https:\/\/www.dorine.sk\/wp-content\/uploads\/IMG_20230329_021025_2.jpg","height":0,"width":0},"url":"https:\/\/www.dorine.sk\/zvierata-zivocisne-bunky\/","about":["Zvierat\u00e1"],"wordCount":429,"articleBody":"\u017divo\u010d\u00ed\u0161ne bunky – bunky s\u00fa drobn\u00e9 jednotky, z ktor\u00fdch sa skladaj\u00fa \u017eiv\u00e9 organizmy, niektor\u00e9 organizmy pozost\u00e1vaj\u00fa len z jedinej bunky, zatia\u013e \u010do tel\u00e1 in\u00fdch, napr\u00edklad \u013eud\u00ed, tvoria miliardy buniek. Bunka je z\u00e1kladn\u00e1 samostatn\u00e1 jednotka \u017eivej hmoty, z\u00edskava energiu a vyu\u017e\u00edva ju na vlastn\u00fa stavbu a na rozmno\u017eovanie. Bunky s\u00fa z\u00e1kladnoustavebnou jednotkou organizmu a v\u00e4\u010d\u0161iu \u010das\u0165 bunky tvor\u00ed r\u00f4solovit\u00e1 hmota, takzvan\u00e1 cytoplazma. Cytoplazma je obkolesen\u00e1 tenkou vrstvou (membr\u00e1nou), cez ktor\u00fa prech\u00e1dzaj\u00fa l\u00e1tky dovn\u00fatra bunky von z nej. Cel\u00fa bunku ovl\u00e1da jadro obsahuj\u00face inform\u00e1cie potrebn\u00e9 pre existenciu bunky.Rozmno\u017euje sa delen\u00edm na dva dc\u00e9rske jedince. \u017divo\u010d\u00ed\u0161ne bunky sa od rastlinn\u00fdch. \u017divo\u010d\u00ed\u0161na bunka sa podob\u00e1 vrec\u00fa\u0161ku r\u00f4solu a je obalen\u00e1 pru\u017enou plazmatickou membr\u00e1nou, a preto na rozdiel od rastlinn\u00fdch buniek nem\u00e1 pevn\u00fd tvar.Tak\u00e1to \u017eivo\u010d\u00ed\u0161na bunka mus\u00ed k\u00f4li pre\u017eitiu z\u00edskava\u0165 energiu zo svojho okolia. V\u00e4\u010d\u0161ina buniek m\u00e1 mikroskopick\u00e9 rozmery, len niektor\u00e9 vaje\u010dn\u00e9 bunky m\u00f4\u017eu mera\u0165 v priemere a\u017e desa\u0165 centimetrov a nervov\u00e9 bunky m\u00f4\u017eu by\u0165 dlh\u00e9 a\u017e jeden meter. Organizmus je ak\u00fdko\u013evek objekt od bakt\u00e9rie po ve\u013erybu a m\u00e1 vlastnosti \u017eivej hmoty. Superorganizmus tvoria napr\u00edklad v\u010dely v \u00fali, preto\u017ee sa v\u0161etky podie\u013eaj\u00fa na spolo\u010dnej snahe o pre\u017eitie. Na za\u010diatku \u017eivota organizmy rast\u00fa a vyv\u00edjaj\u00fa sa a ke\u010f dosiahnu ur\u010dit\u00fd vek alebo ve\u013ekos\u0165, za\u010dn\u00fa sa rozmno\u017eova\u0165 a nakoniec hyn\u00fa. toto poradie krokov sa naz\u00fdva cyklus.\u017divotn\u00fd cyklus trv\u00e1 u niektor\u00fdch druhov dvojkr\u00eddlovcov len 15 dn\u00ed, ale u slona a\u017e okolo sedemdesiat rokov. \u017div\u00e9 organizmy si udr\u017eiavaj\u00fa chemick\u00fa rovnov\u00e1hu, takzvan\u00fa homeost\u00e1zu. Po smrti organizmu sa homeost\u00e1za zastav\u00ed a bunky sa za\u010dn\u00fa postupne rozklada\u0165. \u017div\u00e9 organizmy m\u00f4\u017eu pozost\u00e1va\u0165 z jedinej alebo z mnoh\u00fdch mili\u00e1rd spolupracuj\u00facich buniek. Medzi zvierat\u00e1 napr\u00edklad\u00a0 zara\u010fujeme:operen\u00e9 \u017eivo\u010d\u00edchy, \u017eivo\u010d\u00edchy so srs\u0165ou, ktor\u00fdch ml\u00e1\u010fat\u00e1 cicaj\u00fa mlieko – cicavce, tie \u017eij\u00fa takmer v ka\u017edom prostred\u00ed, od riek a oce\u00e1nov, po d\u017eungle a p\u00fa\u0161te. S\u00fa jednou z najr\u00f4znej\u0161\u00edch skup\u00edn \u017eivo\u010d\u00edchov – netopier a zebra sa na poh\u013ead ve\u013emi l\u00ed\u0161ia, av\u0161ak obaja s\u00fa cicavce. Majme radi zvierat\u00e1 a nikdy im neubli\u017eujme. Nikdy neubl\u00ed\u017eme tvorom, ktor\u00e9 n\u00e1m spr\u00edjem\u0148uj\u00fa \u017eivot, s\u00fa u\u017eito\u010dn\u00e9 a v niektor\u00fdch pr\u00edpadoch \u017eivot dok\u00e1\u017eu aj zachr\u00e1ni\u0165.                                                                                                                                                                                                                                                                                                                                                                                        3.9\/5 - (16 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Zvierat\u00e1 – \u017eivo\u010d\u00ed\u0161ne bunky","item":"https:\/\/www.dorine.sk\/zvierata-zivocisne-bunky\/#breadcrumbitem"}]}]