{"id":26038,"date":"2019-09-17T09:38:27","date_gmt":"2019-09-17T14:38:27","guid":{"rendered":"http:\/\/huewhite.com\/umb\/?p=26038"},"modified":"2019-09-17T09:38:27","modified_gmt":"2019-09-17T14:38:27","slug":"word-of-the-day-498","status":"publish","type":"post","link":"https:\/\/huewhite.com\/umb\/2019\/09\/17\/word-of-the-day-498\/","title":{"rendered":"Word Of The Day"},"content":{"rendered":"<p><em>Anagenesis<\/em>:<\/p>\n<blockquote><p>Most anthropologists agree that\u00a0<em>A. anamensis<\/em>\u00a0is the ancestor of the later species\u00a0<em>A. afarensis<\/em>. It is both slightly older and slightly more ape-like.<\/p>\n<p>However, Melillo and her colleagues are now questioning the standard story for how\u00a0<em>A. anamensis<\/em>\u00a0gave rise to\u00a0<em>A. afarensis,\u00a0<\/em>which is widely thought to have been our ancestor.<\/p>\n<p>Many believe this happened by anagenesis. \u201cThat\u2019s when one species is evolving and gradually wholesale turns into another species,\u201d says Melillo. \u201cYou just see some trends in time, and all of a sudden there\u2019s no more of the ancestral species and we only find the descendant species.\u201d The transition from\u00a0<em>A. anamensis<\/em>\u00a0to\u00a0<em>A. afarensis<\/em> has been \u201cone of the strongest cases for anagenesis in the fossil record\u201d, she says.\u00a0<em>[&#8220;We&#8217;ve finally found a skull from one of our most important ancestors,&#8221; Michael Marshall<\/em>, <strong>NewScientist<\/strong><em> (7 September 2019)]<\/em><\/p><\/blockquote>\n<p>I wonder how many species which leave appreciable clues in the fossil records are not geographically dispersed, or, is there a strong link between geographical dispersion and a presence in the fossil record, or is it just the luck of the draw?<\/p>\n<p>I&#8217;m thinking it depends on the ecological needs of the species. If the needs are not of an environment which results in a high percentage of fossilization, then your species may not ever be found and studied.<\/p>\n<p>Take that as you may.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anagenesis: Most anthropologists agree that\u00a0A. anamensis\u00a0is the ancestor of the later species\u00a0A. afarensis. It is both slightly older and slightly more ape-like. However, Melillo and her colleagues are now questioning the standard story for how\u00a0A. anamensis\u00a0gave rise to\u00a0A. afarensis,\u00a0which is widely thought to have been our ancestor. Many believe this \u2026 <a class=\"continue-reading-link\" href=\"https:\/\/huewhite.com\/umb\/2019\/09\/17\/word-of-the-day-498\/\"> Continue reading <span class=\"meta-nav\">&rarr; <\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26038","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/posts\/26038","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/comments?post=26038"}],"version-history":[{"count":1,"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/posts\/26038\/revisions"}],"predecessor-version":[{"id":26040,"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/posts\/26038\/revisions\/26040"}],"wp:attachment":[{"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/media?parent=26038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/categories?post=26038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/huewhite.com\/umb\/wp-json\/wp\/v2\/tags?post=26038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}