{"id":6630,"date":"2017-02-02T19:00:56","date_gmt":"2017-02-02T21:00:56","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=6630"},"modified":"2022-10-14T11:22:01","modified_gmt":"2022-10-14T14:22:01","slug":"ancestral-arthropod","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/sl\/predniki-artropodi\/","title":{"rendered":"Korak bli\u017eje prednikom \u010dlenono\u017ecev"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Z novo odkrito vrsto smo morda \u0161e korak bli\u017eje prednikom \u010dlenono\u017ecev. Ta majhna vrsta lobopodov je stara pribli\u017eno 500 milijonov let in je videti kot \u010drv - razen 20 do 30 nog. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Poleg \u0161tevila nog je to majhno bitje, imenovano <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus<\/span><\/i><span style=\"font-weight: 400;\"> ima \u0161e nekaj drugih zanimivih funkcij. V kambriju so \u017eiveli globoko v morju in <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus <\/span><\/i><span style=\"font-weight: 400;\">se je zasidral na dnu oceana in z nogami filtriral vodo. Tak\u0161no prehranjevanje spominja na ples, kot si lahko ogledate v tem neverjetnem 3D videoposnetku:<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"500 milijonov let star lobopodij\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/emUXb8lejNo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><span style=\"font-weight: 400;\">Znanstveniki posku\u0161ajo na podlagi teh novih ugotovitev sestaviti evolucijsko drevo \u010dlenono\u017ecev. Vendar jih pri tem \u0161e vedno ovirata dve glavni te\u017eavi:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Humopodi so izumrli. To pomeni, da ne moremo pridobiti molekularnih podatkov za oblikovanje njihovega dru\u017einskega drevesa na enak na\u010din kot pri \u017eivih vrstah. To lahko obidemo tako, da poi\u0161\u010demo fosile in anatomske podatke, ki bi nam lahko pomagali sestaviti evolucijski scenarij.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">\u010ceprav so bili najdeni tudi drugi fosili lobopodov, so zelo raznoliki in med seboj zelo razli\u010dni. Med \u0161tevilnimi sodobnimi fosili je te\u017eko dolo\u010diti prave predni\u0161ke veje.<\/span><\/li>\n<\/ul>\n<p><a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6631\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2017\/02\/lobopodian-768x952.jpg\" alt=\"Korak bli\u017eje prednikom \u010dlenono\u017ecev\" width=\"457\" height=\"566\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/02\/lobopodian-768x952.jpg 768w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/02\/lobopodian-768x952-242x300.jpg 242w\" sizes=\"(max-width: 457px) 100vw, 457px\" \/><\/a><\/p>\n<h4><strong>Zakaj torej ves ta razburjenje zaradi enega novega fosila lobopoda?<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Skupina \u010dlenono\u017ecev, v katero spadajo tudi lobopodi, je ena od najbolj uspe\u0161nih skupin \u017eivali, ki zajema 80% vseh znanih vrst. Ne le to, prehranjevalni navadi lobopodov razkrivajo pomembno sled v evoluciji vseh \u010dlenono\u017ecev.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">Dobro <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis <\/span><\/i><span style=\"font-weight: 400;\">(<\/span><i><span style=\"font-weight: 400;\">Ovatio<\/span><\/i><span style=\"font-weight: 400;\"> - Ovacije, <\/span><i><span style=\"font-weight: 400;\">vermis<\/span><\/i><span style=\"font-weight: 400;\"> - \u010drv), ste razkrili, da je bil prednik &gt;80% \u017eivalskih vrst hranilec filtrov, vstanite in si zaploskajte! - Dave Marshall za BioMed Central (<a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\">Preberite celoten \u010dlanek tukaj<\/a>)<\/span><\/p><\/blockquote>\n<p><a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-6632 size-full\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2017\/02\/ovatiovermis.jpg\" alt=\"Korak bli\u017eje prednikom \u010dlenono\u017ecev\" width=\"800\" height=\"246\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Kljub vsem novim informacijam o prednikih \u010dlenono\u017ecev ostaja vpra\u0161anje: ali se ljudem zdijo lobopodi tako grozljivi kot njihovi \u017eive\u010di sorodniki?<\/span><a href=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2016\/06\/i-love-science.png\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5826\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2016\/06\/i-love-science.png\" alt=\"Korak bli\u017eje prednikom \u010dlenono\u017ecev\" width=\"380\" height=\"152\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science.png 1500w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science-300x120.png 300w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2016\/06\/i-love-science-1024x410.png 1024w\" sizes=\"(max-width: 380px) 100vw, 380px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Z novo odkrito vrsto smo morda \u0161e korak bli\u017eje prednikom \u010dlenono\u017ecev. Ta majhna vrsta lobopodov je stara pribli\u017eno 500 milijonov let in je videti kot \u010drv - razen 20 do 30 nog. Poleg \u0161tevila nog ima to malo bitje z imenom Ovatiovermis cribratus \u0161e nekaj drugih zanimivih zna\u010dilnosti. \u017divi [...]<\/p>","protected":false},"author":11,"featured_media":6638,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[959,28],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>One step closer to the ancestral arthropod - Mind the Graph Blog<\/title>\n<meta name=\"description\" content=\"A newly discovered species may bring us one step closer to the ancestral arthropod. 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