{"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\/ro\/stramosi-artropode\/","title":{"rendered":"Cu un pas mai aproape de artropodul ancestral"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">O specie nou descoperit\u0103 ne-ar putea aduce cu un pas mai aproape de artropodele ancestrale. Aceast\u0103 mic\u0103 specie de lobopodii are o vechime de aproximativ 500 de milioane de ani \u0219i arat\u0103 ca un vierme - cu excep\u021bia celor 20-30 de picioare. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u00cen afar\u0103 de cantitatea de picioare, aceast\u0103 mic\u0103 creatur\u0103 numit\u0103 <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus<\/span><\/i><span style=\"font-weight: 400;\"> are \u0219i alte caracteristici interesante. Tr\u0103ind \u00een ad\u00e2ncurile m\u0103rii \u00een timpul Cambrianului, creatura <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus <\/span><\/i><span style=\"font-weight: 400;\">obi\u0219nuia s\u0103 se ancoreze pe fundul oceanului \u0219i \u00ee\u0219i folosea picioarele pentru a filtra apa. Acest comportament de hr\u0103nire aminte\u0219te de un mic dans, dup\u0103 cum pute\u021bi vedea \u00een acest uimitor videoclip 3D:<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Lobopodian vechi de 500 de milioane de ani\" 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;\">Oamenii de \u0219tiin\u021b\u0103 \u00eencearc\u0103 s\u0103 construiasc\u0103 arborele evolutiv al artropodelor pe baza acestor noi descoperiri. Cu toate acestea, dou\u0103 probleme principale \u00eei re\u021bin \u00eenc\u0103:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Lobopodienii au disp\u0103rut. Acest lucru \u00eenseamn\u0103 c\u0103 nu putem ob\u021bine date moleculare pentru a construi arborele genealogic al acestora \u00een acela\u0219i mod \u00een care o facem cu speciile vii. Solu\u021bia este de a c\u0103uta fosile \u0219i informa\u021bii anatomice care ar putea ajuta la construirea unui scenariu evolutiv.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Chiar dac\u0103 au fost g\u0103site \u0219i alte fosile lobopodiene, acestea prezint\u0103 o mare diversitate \u0219i disparitate \u00eentre ele. Printre multe fosile contemporane, este greu de determinat adev\u0103ratele ramuri ancestrale.<\/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=\"Cu un pas mai aproape de artropodul ancestral\" 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>Atunci de ce at\u00e2ta agita\u021bie pentru o nou\u0103 fosil\u0103 lobopodian\u0103?<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">Grupul de artropode - din care fac parte lobopodienii - este unul dintre cele mai bine reu\u0219ite grupuri de animale, acoperind 80% din toate speciile cunoscute. Nu numai, obiceiul de hr\u0103nire al lobopodienilor dezv\u0103luie o urm\u0103 important\u0103 \u00een evolu\u021bia tuturor artropodelor.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">Ei bine, <\/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;\"> - Ova\u021bie, <\/span><i><span style=\"font-weight: 400;\">vermis<\/span><\/i><span style=\"font-weight: 400;\"> - vierme), a\u021bi dezv\u0103luit c\u0103 str\u0103mo\u0219ul a &gt;80% de specii animale a fost un hr\u0103nitor cu filtre, ridica\u021bi-v\u0103 \u0219i aplauda\u021bi! - Dave Marshall pentru BioMed Central (<a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\">Citi\u021bi articolul complet aici<\/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=\"Cu un pas mai aproape de artropodul ancestral\" width=\"800\" height=\"246\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u00cen ciuda tuturor informa\u021biilor noi despre artropodele ancestrale, r\u0103m\u00e2ne o \u00eentrebare: g\u0103sesc oamenii lobopodienii la fel de \u00eenfrico\u0219\u0103tori ca \u0219i rudele lor vii?<\/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=\"Cu un pas mai aproape de artropodul ancestral\" 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>O specie nou descoperit\u0103 ne-ar putea aduce cu un pas mai aproape de artropodele ancestrale. Aceast\u0103 mic\u0103 specie de lobopodii are o vechime de aproximativ 500 de milioane de ani \u0219i arat\u0103 ca un vierme - cu excep\u021bia celor 20-30 de picioare. \u00cen afar\u0103 de cantitatea de picioare, aceast\u0103 mic\u0103 creatur\u0103 numit\u0103 Ovatiovermis cribratus are \u0219i alte caracteristici interesante. Tr\u0103ind [...]<\/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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