{"id":4919,"date":"2018-09-21T14:23:27","date_gmt":"2018-09-21T17:23:27","guid":{"rendered":"https:\/\/biologo.com.br\/bio\/?p=4919"},"modified":"2025-11-26T14:11:36","modified_gmt":"2025-11-26T17:11:36","slug":"evolucao-dos-vertebrados","status":"publish","type":"post","link":"https:\/\/biologo.com.br\/bio\/evolucao-dos-vertebrados\/","title":{"rendered":"Evolu\u00e7\u00e3o dos Vertebrados"},"content":{"rendered":"\n<p><span style=\"font-size: 14pt; color: #000000;\"><span style=\"color: #3366ff;\"><strong>Evolu\u00e7\u00e3o dos Vertebrados:<\/strong><\/span>&nbsp;Os vertebrados s\u00e3o um subfilo de animais cordados, incluindo peixes, <a href=\"https:\/\/biologo.com.br\/bio\/anfibios\/\">anf\u00edbios<\/a>, r\u00e9pteis, aves e <span style=\"color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/mama-cadela\/\">mam\u00edferos<\/a><\/span>. Caracterizam-se pela presen\u00e7a de coluna vertebral segmentada e de cr\u00e2nio que lhes protege o <a href=\"https:\/\/biologo.com.br\/bio\/o-cerebro\/\">c\u00e9rebro<\/a>.<\/span><\/p>\n\n\n\n<p><span style=\"font-size: 14pt; color: #000000;\">Mas como se deu a evolu\u00e7\u00e3o desses sofisticados animais? Confira no document\u00e1rio abaixo!<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span style=\"font-size: 24pt; font-family: 'courier new', courier, monospace; color: #000000;\"><strong><span style=\"color: #999999;\">Document\u00e1rio:<\/span> Evolu\u00e7\u00e3o dos Vertebrados<\/strong><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"A evolu\u00e7\u00e3o dos animais vertebrados\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/WyS4494Ad4Y?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image alignright\"><a href=\"https:\/\/biologo.com.br\/bio\/evolucao-do-tamanho\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"167\" data-attachment-id=\"2127\" data-permalink=\"https:\/\/biologo.com.br\/bio\/evolucao-do-tamanho\/evolucao-do-tamanho-elefante\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/evolucao-do-tamanho-elefante.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"evolucao-do-tamanho-elefante\" data-image-description=\"&lt;p&gt;Pesquisa revela que em 24 milh\u00f5es de gera\u00e7\u00f5es um ancestral comum do tamanho de um rato evoluiu para animais t\u00e3o grandes quanto elefantes. Redu\u00e7\u00e3o do tamanho, por\u00e9m, levou muito menos tempo&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;Evolu\u00e7\u00e3o do tamanho&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/evolucao-do-tamanho-elefante.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/evolucao-do-tamanho-elefante-300x167.jpg?resize=300%2C167&#038;ssl=1\" alt=\"Evolu\u00e7\u00e3o do tamanho\" class=\"wp-image-2127\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/evolucao-do-tamanho-elefante.jpg?resize=300%2C167&amp;ssl=1 300w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2017\/03\/evolucao-do-tamanho-elefante.jpg?w=631&amp;ssl=1 631w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption class=\"wp-element-caption\"><span style=\"font-size: 10pt; color: #0000ff;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/evolucao-do-tamanho\/\">Evolu\u00e7\u00e3o do tamanho<\/a><\/span><\/figcaption><\/figure>\n\n\n\n<p><span style=\"color: #000000;\"><span style=\"font-family: georgia, palatino, serif; font-size: 18pt;\"><strong>O<\/strong><\/span>s&nbsp;<a href=\"https:\/\/biologo.com.br\/bio\/fosseis\/\">f\u00f3sseis<\/a>&nbsp;mais antigos de vertebrados foram encontrados em&nbsp;Chengjiang, na&nbsp;China&nbsp;e foram datados do in\u00edcio do Cambriano. Eram animais pequenos e alongados, possivelmente&nbsp;aqu\u00e1ticos, com&nbsp;v\u00e9rtebras&nbsp;rudimentares.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Ao final do per\u00edodo cambriano, em torno de 500 milh\u00f5es de anos atr\u00e1s, nosso mundo passou pela primeira extin\u00e7\u00e3o em massa de sua hist\u00f3ria. As causas desta extin\u00e7\u00e3o s\u00e3o desconhecidas, embora muitos cientistas aceitem que o mais prov\u00e1vel seria uma queda brusca na temperatura do planeta.&nbsp;<\/span><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"color: #0000ff; font-size: 14pt;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/documentario-evolucao-da-forma\/\">Document\u00e1rio Evolu\u00e7\u00e3o da Forma<\/a><\/span><\/li>\n\n\n\n<li><span style=\"color: #0000ff; font-size: 14pt;\"><a style=\"color: #0000ff;\" href=\"https:\/\/biologo.com.br\/bio\/os-artropodes\/\">Os artr\u00f3podes<\/a><\/span><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><a href=\"https:\/\/biologo.com.br\/bio\/embriologia\/\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"631\" height=\"351\" data-attachment-id=\"1012\" data-permalink=\"https:\/\/biologo.com.br\/bio\/embriologia\/embriologia-de-peixes\/\" data-orig-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/embriologia-de-peixes.jpg?fit=631%2C351&amp;ssl=1\" data-orig-size=\"631,351\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"embriologia-de-peixes\" data-image-description=\"&lt;p&gt;Litografia de J. G. Bach de Leipzig depois de desenhos de Haeckel, publicada por Engelmann &amp;#8220;Imagens de Evolu\u00e7\u00e3o e acusa\u00e7\u00f5es de fraude :: embriol\u00f3gicos Ilustra\u00e7\u00f5es de Ernst Haeckel&amp;#8221;, Isis 97 (2006), 260-301 pdf&lt;br \/&gt;\nilustra\u00e7\u00e3o da placa dupla mostrando embri\u00f5es de peixe (F), salamandra (A), tur TLE (T), pintainho (H), su\u00ednos (S), vaca (R), coelho (K) e humana (M), a &amp;#8221; fases muito iniciais &amp;#8220;,&amp;#8221; um pouco mais tarde &amp;#8220;e&amp;#8221; ainda mais tarde &amp;#8220;, de Anthropogenie de Haeckel publicou em 1874&lt;\/p&gt;\n\" data-image-caption=\"&lt;p&gt;ilustra\u00e7\u00e3o mostrando embri\u00f5es de peixes&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/embriologia-de-peixes.jpg?fit=631%2C351&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/embriologia-de-peixes.jpg?resize=631%2C351&#038;ssl=1\" alt=\"\" class=\"wp-image-1012\" srcset=\"https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/embriologia-de-peixes.jpg?w=631&amp;ssl=1 631w, https:\/\/i0.wp.com\/biologo.com.br\/bio\/wp-content\/uploads\/2016\/08\/embriologia-de-peixes.jpg?resize=300%2C167&amp;ssl=1 300w\" sizes=\"auto, (max-width: 631px) 100vw, 631px\" \/><\/a><figcaption class=\"wp-element-caption\"><span style=\"font-size: 10pt;\"><a href=\"https:\/\/biologo.com.br\/bio\/embriologia\/\">Embriologia<\/a>.<\/span> <span style=\"font-size: 10pt; color: #000000;\">Ilustra\u00e7\u00e3o de embri\u00f5es de peixes<\/span><\/figcaption><\/figure>\n\n\n\n<p><span style=\"color: #000000;\">Esta extin\u00e7\u00e3o tamb\u00e9m permitiu o desenvolvimento dos<\/span> <a href=\"https:\/\/biologo.com.br\/bio\/moluscos\/\">moluscos<\/a> <span style=\"color: #000000;\">e<\/span> <a href=\"https:\/\/biologo.com.br\/bio\/os-artropodes\/\">artr\u00f3podes<\/a>, <span style=\"color: #000000;\">que ocupariam o nicho ecol\u00f3gico deixado por eles nos pr\u00f3ximos per\u00edodos geol\u00f3gicos, assim como o dos cordados, que s\u00f3 teriam a sua ascens\u00e3o at\u00e9 o topo da cadeia alimentar no Devoniano.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">A grande mudan\u00e7a dos vertebrados parece ter surgido durante o&nbsp;Ordoviciano, h\u00e1 cerca de 450 milh\u00f5es de anos, mas os f\u00f3sseis desse per\u00edodo s\u00e3o escassos.<\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Os f\u00f3sseis do&nbsp;Sil\u00farico, h\u00e1 cerca de 400 milh\u00f5es de anos, j\u00e1 s\u00e3o mais abundantes e mostram uma grande variedade de&nbsp;peixes&nbsp;sem&nbsp;maxilar, embora j\u00e1 comecem a aparecer os&nbsp;Gnathostomata. <\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">A fase final do Devoniano ofereceu os primeiros&nbsp;tetr\u00e1podes&nbsp;e h\u00e1 cerca de 330 milh\u00f5es de anos apareceram os primeiros&nbsp;anf\u00edbios. <\/span><\/p>\n\n\n\n<p><span style=\"color: #000000;\">Os&nbsp;amniotas&nbsp;mais antigos, poss\u00edveis ancestrais dos&nbsp;r\u00e9pteis,&nbsp;aves&nbsp;e&nbsp;mam\u00edferos, apareceram no in\u00edcio do per\u00edodo&nbsp;Pensilvaniano&nbsp;e dominaram o&nbsp;Mesozoico&nbsp;e o&nbsp;Cenozoico.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Evolu\u00e7\u00e3o dos Vertebrados:&nbsp;Os vertebrados s\u00e3o um subfilo de animais cordados, incluindo peixes, anf\u00edbios, r\u00e9pteis, aves e mam\u00edferos. Caracterizam-se pela presen\u00e7a<\/p>\n","protected":false},"author":1,"featured_media":20268,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[133,121,126,27],"tags":[],"class_list":["post-4919","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-embriologia","category-evolucao","category-videos","category-zoologia","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Evolu\u00e7\u00e3o dos Vertebrados: Document\u00e1rio Evolu\u00e7\u00e3o e Embriologia: Bi\u00f3logo<\/title>\n<meta name=\"description\" content=\"Como se deu a evolu\u00e7\u00e3o desses sofisticados animais? 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