{"id":2174,"date":"2014-10-04T22:56:58","date_gmt":"2014-10-05T05:56:58","guid":{"rendered":"https:\/\/www.telemedical.com\/wordpress\/?page_id=2174"},"modified":"2024-03-14T22:19:43","modified_gmt":"2024-03-15T05:19:43","slug":"evolution-of-metazoa","status":"publish","type":"page","link":"https:\/\/www.telemedical.com\/wordpress\/books\/origin-of-life-an-astrobiological-synthesis-of-physics-molecular-biology-and-geobiology\/the-physics-and-biochemistry-of-life\/evolution-of-metazoa\/","title":{"rendered":"Evolution of Metazoa"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">The transition to Metazoa from a Protista World occurred before a large comet \/ plantesimal  disintegrated and showered organic debri<a href=\"https:\/\/www.nature.com\/articles\/s41467-020-17115-6\">s on  the earth and moon 800 million years ago<\/a>. <\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">There is fossil evidence of keratose sponges at least by <a href=\"https:\/\/www.nature.com\/articles\/s41586-021-03773-z\">890 million years ago<\/a>. which suggests the the Ctenophora ancestors arose before that time, perhaps 1 Billion years ago.  Specific extraterrestrial impacts at that time may correlate with major genetic change events in the biosphere that allowed the evolution of metazoa.<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947.png\"><img loading=\"lazy\" decoding=\"async\" width=\"475\" height=\"1024\" src=\"https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947-475x1024.png\" alt=\"\" class=\"wp-image-9915\" style=\"width:255px;height:auto\" srcset=\"https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947-475x1024.png 475w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947-139x300.png 139w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947-116x250.png 116w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947-300x646.png 300w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2024\/03\/Screenshot-2024-03-14-220947.png 702w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/a><\/figure>\n\n\n<p><a href=\"https:\/\/doi.org\/10.1016\/j.cub.2016.04.051\" rel=\"attachment wp-att-6788\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6788\" src=\"https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins.jpg\" alt=\"\" width=\"1340\" height=\"1764\" srcset=\"https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins.jpg 1340w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins-300x395.jpg 300w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins-228x300.jpg 228w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins-778x1024.jpg 778w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins-768x1011.jpg 768w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins-1167x1536.jpg 1167w, https:\/\/www.telemedical.com\/wordpress\/wp-content\/uploads\/2020\/08\/metazoaorigins-190x250.jpg 190w\" sizes=\"auto, (max-width: 1340px) 100vw, 1340px\" \/><\/a>The above phylogram supports the ctenophora first hypothesis. \u00a0See original article here <a href=\"http:\/\/www.plos.org\/wp-content\/uploads\/2013\/05\/pone-9-9-olesen.pdf\">http:\/\/www.plos.org\/wp-content\/uploads\/2013\/05\/pone-9-9-olesen.pdf<\/a><\/p>\n<p style=\"padding-left: 30px;\"><a title=\"Ctenophora\" href=\"https:\/\/www.telemedical.com\/wordpress\/books\/origin-of-life-an-astrobiological-synthesis-of-physics-molecular-biology-and-geobiology\/the-physics-and-biochemistry-of-life\/evolution-of-metazoa\/ctenophora\">Ctenophora<\/a><\/p>\n<p style=\"padding-left: 30px;\"><a title=\"Porifera\" href=\"https:\/\/www.telemedical.com\/wordpress\/books\/origin-of-life-an-astrobiological-synthesis-of-physics-molecular-biology-and-geobiology\/the-physics-and-biochemistry-of-life\/evolution-of-metazoa\/porifera\">Porifera<\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\"http:\/\/www.plosone.org\/article\/info%3Adoi%2F10.1371%2Fjournal.pone.0057131\">Placazoa<\/a><\/p>\n<p style=\"padding-left: 30px;\"><a title=\"Cnidaria\" href=\"https:\/\/www.telemedical.com\/wordpress\/archives\/2184\">Cnidaria<\/a>\u00a0 &#8211; \u00a0Hypothesis 101414a : Cnidaria evolved from \u00a0symbiogenetic events with fungal microsporidian ancestors that possessed polar tubes.<\/p>\n<p style=\"padding-left: 30px;\">Bilateria ( Protostomes and Deuterostomes)<\/p>\n<p style=\"padding-left: 60px;\"><a title=\"Mammalian Evolution\" href=\"https:\/\/www.telemedical.com\/wordpress\/mammalian-evolution\">\u00a0Mammals<\/a><\/p>\n<p style=\"padding-left: 90px;\"><a href=\"http:\/\/www.telemedical.com\/primateevolution.htm\">Primates<\/a><\/p>\n<p style=\"padding-left: 120px;\"><a href=\"http:\/\/www.telemedical.com\/Telemedical\/humans.htm\">Humans<\/a><\/p>\n<p style=\"padding-left: 30px;\">\u00a0<\/p>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The transition to Metazoa from a Protista World occurred before a large comet \/ plantesimal disintegrated and showered organic debris on the earth and moon 800 million years ago. There is fossil evidence of keratose sponges at least by 890 million years ago. which suggests the the Ctenophora ancestors arose before that time, perhaps 1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1363,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2174","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/pages\/2174","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/comments?post=2174"}],"version-history":[{"count":0,"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/pages\/2174\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/pages\/1363"}],"wp:attachment":[{"href":"https:\/\/www.telemedical.com\/wordpress\/wp-json\/wp\/v2\/media?parent=2174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}