{"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\/pt\/ancestral-artropode\/","title":{"rendered":"Um passo mais perto do artr\u00f3pode ancestral"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Uma esp\u00e9cie rec\u00e9m descoberta pode nos aproximar um passo mais do artr\u00f3pode ancestral. Esta pequena esp\u00e9cie lobopodiana tem aproximadamente 500 milh\u00f5es de anos e parece uma minhoca - exceto por suas 20 a 30 patas. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Al\u00e9m da quantidade de pernas, esta pequena criatura chamada <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus<\/span><\/i><span style=\"font-weight: 400;\"> tem algumas outras caracter\u00edsticas interessantes. Vivendo nas profundezas do mar durante o Cambriano, o <\/span><i><span style=\"font-weight: 400;\">Ovatiovermis cribratus <\/span><\/i><span style=\"font-weight: 400;\">costumava ancorar-se no fundo do oceano e usava suas pernas para filtrar a \u00e1gua. Este comportamento de alimenta\u00e7\u00e3o lembra um pouco a dan\u00e7a, como voc\u00ea pode ver neste incr\u00edvel v\u00eddeo 3D:<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Lobopodian de 500 milh\u00f5es de anos de idade\" 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;\">Os cientistas est\u00e3o tentando construir a \u00e1rvore evolucion\u00e1ria do artr\u00f3pode com base nestas novas descobertas. No entanto, duas quest\u00f5es principais ainda os ret\u00eam:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Os lobopodianos est\u00e3o extintos. Isso significa que n\u00e3o podemos obter dados moleculares para construir sua \u00e1rvore geneal\u00f3gica da mesma forma que fazemos com as esp\u00e9cies vivas. A maneira de contorn\u00e1-la \u00e9 procurar f\u00f3sseis e informa\u00e7\u00f5es anat\u00f4micas que possam ajudar a construir um cen\u00e1rio evolutivo.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Embora tenham sido encontrados outros f\u00f3sseis lobopodianos, eles exibem uma grande diversidade e disparidade entre si. Entre muitos f\u00f3sseis contempor\u00e2neos, \u00e9 dif\u00edcil determinar os verdadeiros ramos ancestrais.<\/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=\"Um passo mais perto do artr\u00f3pode 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>Ent\u00e3o por que toda essa confus\u00e3o sobre um novo f\u00f3ssil lobopodiano?<\/strong><\/h4>\n<p><span style=\"font-weight: 400;\">O grupo de artr\u00f3podes - do qual fazem parte os lobopodians - \u00e9 um dos mais bem sucedidos grupos de animais abrangendo 80% de todas as esp\u00e9cies conhecidas. N\u00e3o apenas o h\u00e1bito alimentar dos lobopodians revela um importante tra\u00e7o na evolu\u00e7\u00e3o de todos os artr\u00f3podes.<\/span><\/p>\n<blockquote><p><span style=\"font-weight: 400;\">Bem <\/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\u00e7\u00e3o, <\/span><i><span style=\"font-weight: 400;\">vermis<\/span><\/i><span style=\"font-weight: 400;\"> - verme), voc\u00ea revelou que o antepassado de &gt;80% de esp\u00e9cies animais era um alimentador de filtros, levante-se e aplauda a si mesmo! - Dave Marshall para BioMed Central (<a href=\"http:\/\/blogs.biomedcentral.com\/bmcseriesblog\/2017\/01\/31\/newly-discovered-500-million-year-old-species-offers-insights-ancestral-arthropod\/\">leia o artigo completo aqui<\/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=\"Um passo mais perto do artr\u00f3pode ancestral\" width=\"800\" height=\"246\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">Apesar de todas as novas informa\u00e7\u00f5es sobre o artr\u00f3pode ancestral, uma pergunta permanece: as pessoas acham os lobopodians fofos como seus parentes vivos?<\/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=\"Um passo mais perto do artr\u00f3pode 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>Uma esp\u00e9cie rec\u00e9m descoberta pode nos aproximar um passo mais do artr\u00f3pode ancestral. Esta pequena esp\u00e9cie lobopodiana tem aproximadamente 500 milh\u00f5es de anos e parece uma minhoca - exceto por suas 20 a 30 patas. Al\u00e9m da quantidade de patas, esta pequena criaturinha chamada Ovatiovermis cribratus tem algumas outras caracter\u00edsticas interessantes. Vivendo [...]<\/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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