{"id":78042,"date":"2012-03-07T11:01:27","date_gmt":"2012-03-07T10:01:27","guid":{"rendered":"http:\/\/www.pcnen.com\/portal\/?p=78042"},"modified":"2012-03-07T11:01:27","modified_gmt":"2012-03-07T10:01:27","slug":"crv-nas-zajednicki-predak","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2012\/03\/07\/crv-nas-zajednicki-predak\/","title":{"rendered":"Crv, na\u0161 zajedni\u010dki predak"},"content":{"rendered":"<p><a href=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/03\/Pikaia-gracilens.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-78043\" title=\"Pikaia gracilens\" src=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2012\/03\/Pikaia-gracilens.jpg\" alt=\"\" width=\"259\" height=\"194\" \/><\/a>Tim istra\u017eiva\u010da iz Velike Britanije i Kanade je uspio da doka\u017eu direktnu vezu izme\u0111u evolucije Homo sapiens i fosila Pikaia gracilens, koji je du\u017eine 5,0 cm i li\u010di na crva.<\/p>\n<p>Nakon prou\u010davanja fosila Pikaia gracilens, nau\u010dnici su do\u0161li do zaklju\u010dka da je ova vrsta predak svih \u010dlanova vrste hordata.<\/p>\n<p>Ovo stvorenje je imalo miomere, tj. mi\u0161i\u0107e svojstvene ki\u010dmenjacima, navode u studiji objavljenoj u \u010dasopisu <em>Biological Reviews<\/em> Sajmon Konvej Moris sa Univerziteta u Kembrid\u017eu i \u017dan-Bernar Karon sa Univerziteta u Torontu.<\/p>\n<p>Zahvaljuju\u0107i napretku istra\u017eiva\u010dkih tehnika, posebno elektronskog mikroskopa, dvojica nau\u010dnika su uspjela da potvrde hipotezu koju je Konvej Moris iznio jo\u0161 70-ih godina pro\u0161log vijeka, ali nije bio u mogu\u0107nosti da je doka\u017ee preciznim opisom.<\/p>\n<p>Jedini poznati fosili prona\u0111eni su u \u0161kriljastim stijenama Bard\u017eis \u0161ajla, nalazi\u0161tu srednjeg kambrijuma, u nacionalnom parku Joho, na istoku Kanade.<\/p>\n<p>Prema rije\u010dima nau\u010dnika, ovi fosili datiraju 500-505 miliona godina prije nove ere i predstavljaju najstarije i najprimitivnije predstavnike tipa hordata.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nakon prou\u010davanja fosila Pikaia gracilens, nau\u010dnici su do\u0161li do zaklju\u010dka da je ova vrsta predak svih \u010dlanova vrste hordata.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-78042","post","type-post","status-publish","format-standard","hentry","category-zanimljivosti"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/78042","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=78042"}],"version-history":[{"count":0,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/78042\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=78042"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=78042"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=78042"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}