{"id":292980,"date":"2017-08-30T10:50:58","date_gmt":"2017-08-30T08:50:58","guid":{"rendered":"http:\/\/hudo.com\/si\/2017\/08\/30\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/"},"modified":"2017-08-30T10:50:58","modified_gmt":"2017-08-30T08:50:58","slug":"predniki-neznih-velikanov-so-bili-krvolocni-plenilci","status":"publish","type":"post","link":"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/","title":{"rendered":"Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci"},"content":{"rendered":"
\n

Vosati kiti, oz. njihovi predniki, so po ugotovitvah avstralskih znanstvenikov imeli izredno ostre plenilske zobe, podobne tistim, ki jih imajo levi. Z odkritjem so po njihovih besedah ovrgli teorijo, da so zobje starodavnim kitom slu\u017eili za filtriranje hrane, enako kot dana\u0161njim ne\u017enim velikanom vosi, poro\u010da francoska tiskovna agencija AFP.<\/p>\n

Ne\u017eni kiti neko\u010d krvolo\u010dni\u00a0plenilci<\/h2>\n<\/div>\n
\n

“Ti rezultati so prvi, ki ka\u017eejo, da so imeli vosati kiti nekdaj ostre zobe z eno samo nalogo, in sicer za razkosavanje mesa njihovega plena,” je pojasnil kustos paleontologije vreten\u010darjev muzejev Viktorije Erich Fitzgerald.<\/p>\n

\n\t\t\t\t\t
Vosi pri kitu grbavcu (foto:Profimedia)<\/figcaption><\/figure>\n

Prej\u0161nje teorije so namre\u010d predvidevale, da so starodavni kiti filtrirali svojo hrano, tako da so s stisnjenimi zobmi oblikovali cik-cak sito, s katerim so ujeli hrano in vodo v usta. Podobno po\u010dnejo nekateri tjulnji na Antarktiki. Po tej teoriji so s\u010dasoma skozi evolucijo sito zamenjali vosi, je \u0161e poro\u010dala AFP.<\/p>\n

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Najve\u010dji predstavnik vosastih kitov, sinji kit<\/a> (znanstveno ime Balaenoptera musculus<\/i>) je s 30 metri in 160 tonami najve\u010dja \u017eival na svetu.<\/p>\n<\/blockquote>\n

Paleontologi organizacije muzejev Viktorije in avstralske univerze Monash pa so ugotovili, da ni tako. Pri preu\u010devanju zob so uporabili 3D skenerje, s katerimi so naredili digitalne modele zob fosilov vosatih kitov, prednikov ju\u017enomorskih in sinjih kitov, in dana\u0161njih velikanov iz primerov zbirk po svetu. Pri tem pa so ugotovili, da se zobje enih in drugih med seboj razlikujejo.<\/p>\n

Kiti z vosi nadomestili izgubljene zobe?<\/h2>\n

“V nasprotju s prepri\u010danjem mnogih kiti nikoli niso uporabljali svojih zob kot sito, tehniko filtriranja hrane so namre\u010d razvili \u0161ele kasneje. Mogo\u010de \u0161ele potem, ko so zobe izgubili,” je ob objavi odkritja razlo\u017eil Fitzgerald.<\/p>\n

Poznamo dve ve\u010dji skupini kitov, in sicer zobate, kot so na primer kiti ubijalci in kit glava\u010d<\/a>, ki je najve\u010dji predstavnik te skupine, in vosate. Slednji s pomo\u010djo posebnih vosov filtrirajo plankton in majhne ribe iz oceana, s katerimi se prehranjujejo.<\/p>\n<\/div>\n

The post Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci<\/a> appeared first on Mo\u0161ki.si<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"

Vosasti kiti so neko\u010d bili plenilci z zobmi, podobnimi levovim<\/p>\n

The post Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci<\/a> appeared first on Mo\u0161ki.si<\/a>.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1091],"tags":[1674,3845,1645],"source":[1522,1518,1552],"supertag":[],"acf":[],"yoast_head":"\nPredniki ne\u017enih velikanov so bili krvolo\u010dni plenilci - Hudo Slovenija<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/\" \/>\n<meta property=\"og:locale\" content=\"sl_SI\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci - Hudo Slovenija\" \/>\n<meta property=\"og:description\" content=\"Vosasti kiti so neko\u010d bili plenilci z zobmi, podobnimi levovim The post Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci appeared first on Mo\u0161ki.si.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/\" \/>\n<meta property=\"og:site_name\" content=\"Hudo Slovenija\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hudo.si\" \/>\n<meta property=\"article:published_time\" content=\"2017-08-30T08:50:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hudo.com\/si\/wp-content\/uploads\/sites\/2\/2017\/08\/profimedia-0191400106.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1250\" \/>\n\t<meta property=\"og:image:height\" content=\"833\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"hudo\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@hudo_si\" \/>\n<meta name=\"twitter:site\" content=\"@hudo_si\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"hudo\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuti\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/\"},\"author\":{\"name\":\"hudo\",\"@id\":\"https:\/\/hudo.com\/si\/#\/schema\/person\/601cf3379633985b20f7e50f2bb47707\"},\"headline\":\"Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci\",\"datePublished\":\"2017-08-30T08:50:58+00:00\",\"dateModified\":\"2017-08-30T08:50:58+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/\"},\"wordCount\":351,\"publisher\":{\"@id\":\"https:\/\/hudo.com\/si\/#organization\"},\"keywords\":[\"divje \u017eivali\",\"kit\",\"znanstvene zanimivosti\"],\"articleSection\":[\"Lifestyle\"],\"inLanguage\":\"sl-SI\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/\",\"url\":\"https:\/\/hudo.com\/si\/lifestyle\/predniki-neznih-velikanov-so-bili-krvolocni-plenilci\/\",\"name\":\"Predniki ne\u017enih velikanov so bili krvolo\u010dni plenilci - 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