{"id":334,"date":"2010-11-22T08:22:16","date_gmt":"2010-11-22T08:22:16","guid":{"rendered":"http:\/\/junq.info\/?p=334"},"modified":"2011-02-16T21:32:23","modified_gmt":"2011-02-16T21:32:23","slug":"what-caused-the-cambrian-explosion","status":"publish","type":"post","link":"http:\/\/junq.info\/?p=334","title":{"rendered":"What caused the Cambrian &#8220;explosion&#8221;?"},"content":{"rendered":"<p><em>Question of the Week, 22.11.2010<\/em><\/p>\n<p>In the early Cambrian, approximately 540 million years ago, the pace of evolution became exceptionally fast and almost all modern animal phyla emerged during a geologically short time period of not more than 70 million years. It has been tried to explain this &#8220;Cambrian explosion&#8221; on the basis of environmental or developmental changes but a generally accepted hypothesis has not yet been established.<\/p>\n<p>Further reading:<\/p>\n<p>Marshall, C. R., Explaining the Cambrian &#8220;Explosion of Animals&#8221;, Annu. Rev. Earth Planet. Sci. 34, 355\u2013384 (2006). <a href=\"http:\/\/www.annualreviews.org\/doi\/abs\/10.1146\/annurev.earth.33.031504.103001\">doi:10.1146\/annurev.earth.33.031504.103001<\/a><\/p>\n<p>Thomas Jagau<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the early Cambrian, approximately 540 million years ago, the pace of evolution became exceptionally fast and almost all modern animal phyla emerged during a geologically short time period of not more than 70 million years&#8230; (Question of the Week, 22.11.2010)<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[6],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/junq.info\/index.php?rest_route=\/wp\/v2\/posts\/334"}],"collection":[{"href":"http:\/\/junq.info\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/junq.info\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/junq.info\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/junq.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=334"}],"version-history":[{"count":3,"href":"http:\/\/junq.info\/index.php?rest_route=\/wp\/v2\/posts\/334\/revisions"}],"predecessor-version":[{"id":578,"href":"http:\/\/junq.info\/index.php?rest_route=\/wp\/v2\/posts\/334\/revisions\/578"}],"wp:attachment":[{"href":"http:\/\/junq.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=334"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/junq.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=334"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/junq.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=334"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}