{"id":14838,"date":"2020-09-05T15:25:34","date_gmt":"2020-09-05T15:25:34","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14838"},"modified":"2020-09-05T15:25:34","modified_gmt":"2020-09-05T15:25:34","slug":"do-sharks-sleep-and-if-so-how","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/tr\/science\/zoology\/do-sharks-sleep-and-if-so-how\/","title":{"rendered":"K\u00f6pekbal\u0131klar\u0131 Uyur mu? Evet ve \u0130\u015fte Nas\u0131l Yapt\u0131klar\u0131!"},"content":{"rendered":"<h2 class=\"wp-block-heading\">K\u00f6pekbal\u0131klar\u0131 Uyur mu? Evetse Nas\u0131l?<\/h2>\n\n<h2 class=\"wp-block-heading\">Metabolizma ve Duru\u015f, K\u00f6pekbal\u0131klar\u0131nda Uykuyu Ortaya \u00c7\u0131kar\u0131yor<\/h2>\n\n<p>Y\u00fczy\u0131llar boyunca bilim insanlar\u0131 k\u00f6pekbal\u0131klar\u0131n\u0131n uyuyup uyumad\u0131klar\u0131n\u0131 tart\u0131\u015ft\u0131lar. B\u00fcy\u00fck beyaz k\u00f6pekbal\u0131\u011f\u0131 ve kaplan k\u00f6pekbal\u0131\u011f\u0131 gibi baz\u0131 t\u00fcrler, solunga\u00e7lar\u0131ndan oksijenli suyun akmas\u0131n\u0131 sa\u011flamak i\u00e7in s\u00fcrekli y\u00fczmek zorundad\u0131r. Bu da k\u00f6pekbal\u0131klar\u0131n\u0131n hi\u00e7 uyumad\u0131\u011f\u0131 inan\u0131\u015f\u0131na yol a\u00e7t\u0131.<\/p>\n\n<p>Ancak, son ara\u015ft\u0131rmalar bu uzun s\u00fcredir devam eden varsay\u0131m\u0131 alt \u00fcst etti. Avustralya&#8217;daki bilim insanlar\u0131, dibe yak\u0131n ya\u015fayan bir k\u00f6pekbal\u0131\u011f\u0131 t\u00fcr\u00fc olan zebra k\u00f6pekbal\u0131\u011f\u0131n\u0131n ilk kez uyudu\u011funu belgeledi.<\/p>\n\n<p>B\u00fcy\u00fck beyaz k\u00f6pekbal\u0131klar\u0131n\u0131n ve kaplan k\u00f6pekbal\u0131klar\u0131n\u0131n aksine, zebra k\u00f6pekbal\u0131klar\u0131 a\u011f\u0131zlar\u0131yla su pompalayan k\u00f6pekbal\u0131klar\u0131d\u0131r. Bu, hareketsiz kal\u0131rken oksijen almak i\u00e7in solunga\u00e7lar\u0131na elle su itebilecekleri anlam\u0131na gelir.<\/p>\n\n<p>Zebra k\u00f6pekbal\u0131klar\u0131n\u0131n ger\u00e7ekten uyuyup uyumad\u0131klar\u0131n\u0131 belirlemek i\u00e7in ara\u015ft\u0131rma ekibi 24 saat boyunca metabolizmalar\u0131n\u0131 ve duru\u015flar\u0131n\u0131 analiz etti. K\u00f6pekbal\u0131klar\u0131n\u0131n be\u015f dakika veya daha uzun s\u00fcre dinlendi\u011finde oksijen t\u00fcketimlerinin \u00f6nemli \u00f6l\u00e7\u00fcde d\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc ve uykuya dald\u0131klar\u0131n\u0131 \u00f6ne s\u00fcrd\u00fc\u011f\u00fcn\u00fc buldular.<\/p>\n\n<p>Metabolizmadaki d\u00fc\u015f\u00fc\u015fe ek olarak, ara\u015ft\u0131rmac\u0131lar k\u00f6pekbal\u0131klar\u0131n\u0131n duru\u015flar\u0131nda da de\u011fi\u015fiklikler g\u00f6zlemlediler. Uyuduklar\u0131nda k\u00f6pekbal\u0131klar\u0131 v\u00fccutlar\u0131n\u0131 d\u00fczle\u015ftirdiler ve zemine yakla\u015ft\u0131lar.<\/p>\n\n<h2 class=\"wp-block-heading\">G\u00f6zlerin Kapanmas\u0131 ve I\u015f\u0131k<\/h2>\n\n<p>\u0130lgin\u00e7 bir \u015fekilde, ara\u015ft\u0131rmac\u0131lar zebra k\u00f6pekbal\u0131klar\u0131n\u0131n bazen g\u00f6zleri kapal\u0131 uyuduklar\u0131n\u0131, ancak \u00e7o\u011funlukla g\u00fcn boyunca uyuduklar\u0131n\u0131 buldular. Geceleri g\u00f6zlerini daha s\u0131k a\u00e7\u0131k tutmay\u0131 tercih ettiler.<\/p>\n\n<p>Bu, ara\u015ft\u0131rmac\u0131lar\u0131 k\u00f6pekbal\u0131klar\u0131n\u0131n g\u00f6zlerini kapatmas\u0131n\u0131n uyku durumundan \u00e7ok \u0131\u015f\u0131kla ilgisi olabilece\u011finden \u015f\u00fcphelenmeye y\u00f6neltti. K\u00f6pekbal\u0131klar\u0131n\u0131n yakla\u015f\u0131k %38&#8217;i, uyuyor gibi g\u00f6r\u00fcnseler bile geceleri g\u00f6zlerini a\u00e7\u0131k tuttular.<\/p>\n\n<h2 class=\"wp-block-heading\">K\u00f6pekbal\u0131klar\u0131nda Uykuya Dair Kan\u0131tlar<\/h2>\n\n<p>Metabolizmada d\u00fc\u015f\u00fc\u015f, duru\u015ftaki de\u011fi\u015fiklikler ve uyar\u0131c\u0131lara verilen tepkide azalma kombinasyonu, zebra k\u00f6pekbal\u0131klar\u0131n\u0131n ger\u00e7ekten uyudu\u011funa dair g\u00fc\u00e7l\u00fc kan\u0131tlar sa\u011fl\u0131yor.<\/p>\n\n<p>Bu bulgu \u00f6nemlidir \u00e7\u00fcnk\u00fc k\u00f6pekbal\u0131klar\u0131n\u0131n hi\u00e7 uyumad\u0131\u011f\u0131na dair uzun s\u00fcredir devam eden inanc\u0131na meydan okumaktad\u0131r. Ayn\u0131 zamanda k\u00f6pekbal\u0131klar\u0131 en eski \u00e7eneli omurgal\u0131 hayvanlar oldu\u011fundan, uykunun evrimi hakk\u0131nda da yeni bilgiler sa\u011flamaktad\u0131r.<\/p>\n\n<h2 class=\"wp-block-heading\">Gelecekteki Ara\u015ft\u0131rmalar<\/h2>\n\n<p>Ara\u015ft\u0131rma ekibi, uykuyu di\u011fer k\u00f6pekbal\u0131\u011f\u0131 t\u00fcrlerinde ara\u015ft\u0131rmak i\u00e7in daha fazla \u00e7al\u0131\u015fma y\u00fcr\u00fctmeyi planl\u0131yor. Ayr\u0131ca, k\u00f6pekbal\u0131klar\u0131n\u0131n uyan\u0131kl\u0131k ve dinlenme durumlar\u0131n\u0131 daha iyi anlamak i\u00e7in uykudayken beyin aktivitelerini analiz etmeyi de planl\u0131yorlar.<\/p>\n\n<p>K\u00f6pekbal\u0131klar\u0131n\u0131n nas\u0131l ve neden uyudu\u011funu anlamak, uykunun i\u015flevi ve zaman i\u00e7inde nas\u0131l evrimle\u015fti\u011fi hakk\u0131nda \u00f6nemli bilgiler sa\u011flayacakt\u0131r.<\/p>\n\n<h2 class=\"wp-block-heading\">Ek Bilgiler<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Zebra k\u00f6pekbal\u0131klar\u0131, genellikle geceleri avlanan pusu avc\u0131lard\u0131r.<\/li>\n<li>Avlar\u0131n\u0131n yakla\u015fmas\u0131n\u0131 beklemek i\u00e7in kamuflajlar\u0131n\u0131 kullanarak deniz taban\u0131na kar\u0131\u015f\u0131rlar.<\/li>\n<li>Zebra k\u00f6pekbal\u0131klar\u0131, Yeni Zelanda \u00e7evresindeki k\u0131y\u0131 sular\u0131nda bulunur.<\/li>\n<li>Nispeten k\u00fc\u00e7\u00fckt\u00fcrler ve yakla\u015f\u0131k \u00fc\u00e7 fit maksimum uzunlu\u011fa ula\u015f\u0131rlar.<\/li>\n<li>Zebra k\u00f6pekbal\u0131klar\u0131 insanlar i\u00e7in bir tehdit olarak kabul edilmez.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>K\u00f6pekbal\u0131klar\u0131 Uyur mu? Evetse Nas\u0131l? Metabolizma ve Duru\u015f, K\u00f6pekbal\u0131klar\u0131nda Uykuyu Ortaya \u00c7\u0131kar\u0131yor Y\u00fczy\u0131llar boyunca bilim insanlar\u0131 k\u00f6pekbal\u0131klar\u0131n\u0131n uyuyup uyumad\u0131klar\u0131n\u0131 tart\u0131\u015ft\u0131lar. B\u00fcy\u00fck beyaz k\u00f6pekbal\u0131\u011f\u0131 ve kaplan k\u00f6pekbal\u0131\u011f\u0131 gibi baz\u0131 t\u00fcrler, solunga\u00e7lar\u0131ndan&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280],"tags":[361,136,309,73,888],"class_list":["post-14838","post","type-post","status-publish","format-standard","hentry","category-zoology","tag-marine-biology","tag-evolution","tag-animal-behavior","tag-sharks","tag-sleep"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14838","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/comments?post=14838"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14838\/revisions"}],"predecessor-version":[{"id":14839,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/14838\/revisions\/14839"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=14838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=14838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=14838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}