{"id":24461,"date":"2018-05-18T05:24:01","date_gmt":"2018-05-18T02:24:01","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=24461"},"modified":"2018-05-18T14:19:51","modified_gmt":"2018-05-18T11:19:51","slug":"en-eski-primat-agacta-yasiyordu","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2018\/05\/18\/en-eski-primat-agacta-yasiyordu","title":{"rendered":"En eski primat a\u011fa\u00e7ta ya\u015f\u0131yordu"},"content":{"rendered":"<p>Yeni bir ara\u015ft\u0131rmada, b\u00f6cek ve meyveyle beslenen k\u00fc\u00e7\u00fck memeli <em>Purgatorius<\/em>\u2019un a\u011fa\u00e7ta ya\u015fad\u0131\u011f\u0131 bulundu. Paleontologlar, Montana\u2019n\u0131n kuzeydo\u011fusunda bulduklar\u0131 65 milyon y\u0131ll\u0131k ayak bile\u011fi kemiklerinden bu sonuca vard\u0131.<\/p>\n<p><em>Purgatorius<\/em>, nesli t\u00fckenmi\u015f primatlardan <em>Plesiadapiform<\/em> grubunun par\u00e7as\u0131. Fosillerin ilk \u00f6rnekleri, u\u00e7amayan dinozorlar\u0131n yok olmas\u0131n\u0131n az sonras\u0131nda g\u00f6r\u00fcl\u00fcyor. Baz\u0131 ara\u015ft\u0131rmac\u0131lar ilkel <em>Plesiadapiform<\/em>\u2019lar\u0131n karada ya\u015fad\u0131\u011f\u0131n\u0131 ve sonradan a\u011fa\u00e7lar\u0131 kaplad\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcn\u00fcyordu. Bu fikri baz\u0131 ders kitaplar\u0131nda h\u00e2l\u00e2 bulabiliriz.<\/p>\n<p>Yale \u00dcniversitesi\u2019nde doktoras\u0131n\u0131 yapmakta olan Stephen Chester, \u201c<em>Purgatorius<\/em>\u2019lar\u0131n karada y\u00fcr\u00fcd\u00fc\u011f\u00fcn\u00fc a\u00e7\u0131klayan ders kitaplar\u0131n\u0131 biyolojik antropoloji derslerimde h\u00e2l\u00e2 kullan\u0131yorum. Umar\u0131m bu \u00e7al\u0131\u015fma, \u00f6\u011frencilere en eski primatlar\u0131n evrimini \u00f6\u011fretecek ve <em>Purgatorius<\/em>\u2019lar\u0131 ait olduklar\u0131 yere, a\u011fa\u00e7lara yerle\u015ftirecek\u201d diyor.<\/p>\n<p>\u015eimdiye kadar paleontologlar, hayvanlar\u0131n sadece di\u015fleri ve a\u011f\u0131zlar\u0131n\u0131 inceliyordu. G\u00f6r\u00fcn\u00fc\u015fleri ve davran\u0131\u015flar\u0131 bilinmeyen olarak kal\u0131yordu. <em>Purgatorius<\/em>\u2019lar\u0131n ayak bile\u011fi kemikleri de di\u015flerle ayn\u0131 b\u00f6lgede bulundu. Chester \u201cSadece bu primatlar ve g\u00fcn\u00fcm\u00fczdeki yak\u0131n akabalar\u0131nda mevcut olan ayak bile\u011fi kemikleri onlar\u0131n hareket kabiliyetini bize resmetti\u201d diyor. Bu \u00f6zellikler, <em>Purgatorius <\/em>gibi hayvanlarda, ayaklar\u0131n d\u00f6nerek a\u011fa\u00e7 dallar\u0131na rahatl\u0131kla tutunmas\u0131na ve a\u011fa\u00e7lar aras\u0131nda ge\u00e7i\u015fi sa\u011flayacak \u015fekilde hareket edilebilmesine olanak sa\u011flamaktad\u0131r. Bu durumun tersine, yerde ya\u015fayan memelilerde ise omurga, s\u0131n\u0131rl\u0131 olarak kendilerini ileri itecek bi\u00e7imde \u00f6zellik kazanm\u0131\u015ft\u0131r.<\/p>\n<p>Fosil kal\u0131nt\u0131lar\u0131ndan elde edilen bulgular, a\u011fa\u00e7 oyunlar\u0131n\u0131n primat evriminde kilit rol oynayabilece\u011fini g\u00f6stermi\u015ftir. Primatlar y\u00f6nlerini belirlemek ve a\u011fa\u00e7lardaki yiyeceklere ula\u015fabilmek i\u00e7in \u00e7ok da g\u00f6ze \u00e7apmayan de\u011fi\u015fiklikler ge\u00e7irmi\u015ftir.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Yeni bir ara\u015ft\u0131rmada, b\u00f6cek ve meyveyle beslenen k\u00fc\u00e7\u00fck memeli Purgatorius\u2019un a\u011fa\u00e7ta ya\u015fad\u0131\u011f\u0131 bulundu. Paleontologlar, Montana\u2019n\u0131n kuzeydo\u011fusunda bulduklar\u0131 65 milyon y\u0131ll\u0131k ayak bile\u011fi kemiklerinden bu sonuca vard\u0131. Purgatorius, nesli t\u00fckenmi\u015f primatlardan Plesiadapiform grubunun par\u00e7as\u0131. Fosillerin ilk \u00f6rnekleri, u\u00e7amayan dinozorlar\u0131n yok olmas\u0131n\u0131n az sonras\u0131nda g\u00f6r\u00fcl\u00fcyor. Baz\u0131 ara\u015ft\u0131rmac\u0131lar ilkel Plesiadapiform\u2019lar\u0131n karada ya\u015fad\u0131\u011f\u0131n\u0131 ve sonradan a\u011fa\u00e7lar\u0131 kaplad\u0131\u011f\u0131n\u0131 d\u00fc\u015f\u00fcn\u00fcyordu. Bu [&hellip;]<\/p>\n","protected":false},"author":760,"featured_media":24462,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[169,19,21,217,38,32],"tags":[200,3094,3095],"class_list":["post-24461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-132-sayi","category-bilim-gundemi","category-biyoloji","category-cevre-bilimleri","category-dergi-sayilari","category-evrim","tag-evrim","tag-primat","tag-yasamin-kokeni"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/24461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/users\/760"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=24461"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/24461\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/24462"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=24461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=24461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=24461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}