{"id":2788,"date":"2021-01-21T20:31:51","date_gmt":"2021-01-21T20:31:51","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=2788"},"modified":"2021-01-21T20:31:51","modified_gmt":"2021-01-21T20:31:51","slug":"dinosaur-extinction-egg-eating-predators","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/tr\/science\/paleontology\/dinosaur-extinction-egg-eating-predators\/","title":{"rendered":"Dinozorlar\u0131n Soyu T\u00fckeni\u015fi: Devlerin Sonu"},"content":{"rendered":"

Dinozorlar\u0131n Soyu T\u00fckeni\u015fi: Devlerin Sonu<\/h2>\n\n

Dinozorlar\u0131n Soyu T\u00fckeni\u015fi Gizemi<\/h2>\n\n

Y\u00fczy\u0131llar boyunca dinozorlar\u0131n soyu t\u00fckeni\u015fi bilim insanlar\u0131n\u0131 \u015fa\u015f\u0131rtm\u0131\u015ft\u0131r. 1925’te paleontolog George Wieland, yumurta yiyen y\u0131rt\u0131c\u0131lar\u0131n bu g\u00f6rkemli yarat\u0131klar\u0131n azalmas\u0131nda \u00f6nemli bir rol oynad\u0131\u011f\u0131na dair yeni bir hipotez ortaya att\u0131.<\/p>\n\n

Yumurta Yiyen Y\u0131rt\u0131c\u0131lar: Dinozorlar\u0131n Hayatta Kalmas\u0131 \u0130\u00e7in Bir Tehdit<\/h2>\n\n

Wieland, yumurta yiyen kertenkelelerin ve y\u0131lanlar\u0131n dinozorlar\u0131n soyu t\u00fckenmesinin arkas\u0131ndaki birincil su\u00e7lular oldu\u011funa inan\u0131yordu. Bu y\u0131rt\u0131c\u0131lar\u0131n dinozor yumurtalar\u0131n\u0131 b\u00fct\u00fcn olarak yutabilece\u011fini ve dinozorlar\u0131 gelecek nesillerinden mahrum b\u0131rakt\u0131\u011f\u0131n\u0131 savundu. Bu hipotez, sauropod yumurtalar\u0131yla beslendi\u011fi d\u00fc\u015f\u00fcn\u00fclen Sanajeh adl\u0131 Kretase y\u0131lan\u0131 gibi fosil kan\u0131tlar\u0131n ke\u015ffiyle desteklendi.<\/p>\n\n

Yumurta Yiyenlerin Evrimi<\/h2>\n\n

Wieland ayr\u0131ca, yumurta diyetiyle beslenmenin Tyrannosaurus gibi baz\u0131 en b\u00fcy\u00fck y\u0131rt\u0131c\u0131 dinozorlar\u0131n evrimine neden olmu\u015f olabilece\u011fini \u00f6ne s\u00fcrd\u00fc. Bu y\u0131rt\u0131c\u0131lar\u0131n muazzam b\u00fcy\u00fckl\u00fc\u011f\u00fc, yumurta yeme al\u0131\u015fkanl\u0131klar\u0131na bir adaptasyon olabilirdi. Ayr\u0131ca Wieland, yumurta yiyen dinozorlar\u0131n korunmas\u0131z yuvalar\u0131 koordineli gruplar halinde aram\u0131\u015f olabileceklerini \u00f6ne s\u00fcrd\u00fc.<\/p>\n\n

Savunmalar ve Kar\u015f\u0131 \u00d6nlemler<\/h2>\n\n

Dinozorlar, yumurta avc\u0131lar\u0131na kar\u015f\u0131 tamamen savunmas\u0131z de\u011fillerdi. Wieland, ebeveyn bak\u0131m\u0131 sa\u011flam\u0131\u015f olabileceklerini, ya\u015fayan kertenkelelerden ve timsahlardan daha aktif olmu\u015f olabileceklerini ve hatta yuvalar\u0131n\u0131 korumak i\u00e7in koordineli gruplar olu\u015fturmu\u015f olabileceklerine inan\u0131yordu. Ancak bu savunmalar, nihayetinde dinozorlar\u0131n azalmas\u0131n\u0131 engellemek i\u00e7in yetersiz kald\u0131.<\/p>\n\n

Ekolojik Fakt\u00f6rler ve Soy T\u00fckeni\u015fi<\/h2>\n\n

Wieland, yumurta avc\u0131l\u0131\u011f\u0131n\u0131n yan\u0131 s\u0131ra ekolojik fakt\u00f6rlerin de dinozorlar\u0131n soyu t\u00fckenmesine katk\u0131da bulundu\u011funu kabul etti. Dinozorlar\u0131n de\u011fi\u015fen \u00e7evre ko\u015fullar\u0131na uyum sa\u011flayamamas\u0131n\u0131n ve “\u0131rksal bunamas\u0131n\u0131n” onlar\u0131n kaderini belirledi\u011fine inan\u0131yordu.<\/p>\n\n

Son Ke\u015fifler ve G\u00f6zden Ge\u00e7irilmi\u015f Anlay\u0131\u015f<\/h2>\n\n

Wieland’dan bu yana paleontologlar, dinozorlarda yumurta avc\u0131l\u0131\u011f\u0131na dair daha fazla fosil kan\u0131t\u0131 ortaya \u00e7\u0131kard\u0131lar. Bununla birlikte, yumurta yiyenlerin tek ba\u015f\u0131na dinozorlar\u0131n soyu t\u00fckenmesine neden oldu\u011funa dair hi\u00e7bir i\u015faret yok. Dinozorlar\u0131 ve di\u011fer bir\u00e7ok t\u00fcr\u00fc yok eden Kretase-Paleojen yok olu\u015f olay\u0131na ili\u015fkin anlay\u0131\u015f\u0131m\u0131z da g\u00f6zden ge\u00e7irildi. \u015eimdi, bunun asteroit \u00e7arpmalar\u0131 ve volkanik patlamalar da dahil olmak \u00fczere bir dizi fakt\u00f6r\u00fcn birle\u015fimiyle meydana geldi\u011fine inan\u0131l\u0131yor.<\/p>\n\n

Dinozor Yumurtalar\u0131: De\u011ferli Bir Kaynak<\/h2>\n\n

Yumurta avc\u0131l\u0131\u011f\u0131n\u0131n muhtemelen dinozorlar\u0131n soyu t\u00fckenmesine yol a\u00e7mad\u0131\u011f\u0131 halde, dinozor yumurtalar\u0131 \u015f\u00fcphesiz etobur ve omnivorlar taraf\u0131ndan kullan\u0131lan de\u011ferli bir kaynakt\u0131. Bu yumurtalar, Mezozoik \u00e7a\u011f\u0131n ekolojik dinamiklerini \u015fekillendiren \u00e7e\u015fitli y\u0131rt\u0131c\u0131lar i\u00e7in besleyici bir \u00f6\u011f\u00fcn sa\u011flad\u0131.<\/p>\n\n

Wieland Hipotezinin Miras\u0131<\/h2>\n\n

Wieland’\u0131n dinozorlar\u0131n soyu t\u00fckeni\u015fi hakk\u0131ndaki hipotezi, nihai olarak kan\u0131tlarla tam olarak desteklenmese de \u00f6nemli bilimsel ara\u015ft\u0131rmalar\u0131 ate\u015fledi. Yumurta avc\u0131l\u0131\u011f\u0131n\u0131n dinozorlar\u0131n azalmas\u0131ndaki potansiyel rol\u00fcne dikkat \u00e7ekti ve tarih \u00f6ncesi ekosistemlerdeki avc\u0131lar ve avlar aras\u0131ndaki karma\u015f\u0131k etkile\u015fimleri vurgulad\u0131.<\/p>\n\n

Devam Eden Ara\u015ft\u0131rma<\/h2>\n\n

Yumurta avc\u0131lar\u0131n\u0131n dinozorlar\u0131n evrim ve soyu t\u00fckeni\u015findeki rol\u00fc \u00fczerine ara\u015ft\u0131rmalar g\u00fcn\u00fcm\u00fczde de devam etmektedir. Bilim insanlar\u0131, yumurta yiyen y\u0131rt\u0131c\u0131lar\u0131n beslenme al\u0131\u015fkanl\u0131klar\u0131n\u0131, yumurta avc\u0131l\u0131\u011f\u0131n\u0131n dinozor pop\u00fclasyonlar\u0131 \u00fczerindeki etkisini ve dinozorlarda yumurta yemenin evrimsel sonu\u00e7lar\u0131n\u0131 ara\u015ft\u0131r\u0131yorlar. Bu devam eden ara\u015ft\u0131rma, dinozorlar\u0131n yok olu\u015funa yol a\u00e7an karma\u015f\u0131k fakt\u00f6rler hakk\u0131nda daha fazla bilgi edinmeyi ama\u00e7l\u0131yor.<\/p>","protected":false},"excerpt":{"rendered":"

Dinozorlar\u0131n Soyu T\u00fckeni\u015fi: Devlerin Sonu Dinozorlar\u0131n Soyu T\u00fckeni\u015fi Gizemi Y\u00fczy\u0131llar boyunca dinozorlar\u0131n soyu t\u00fckeni\u015fi bilim insanlar\u0131n\u0131 \u015fa\u015f\u0131rtm\u0131\u015ft\u0131r. 1925’te paleontolog George Wieland, yumurta yiyen y\u0131rt\u0131c\u0131lar\u0131n bu g\u00f6rkemli yarat\u0131klar\u0131n azalmas\u0131nda \u00f6nemli bir…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[5122,219,136,5514,137,5524],"class_list":["post-2788","post","type-post","status-publish","format-standard","hentry","category-paleontology","tag-dinosaur-extinction","tag-ecology","tag-evolution","tag-cretaceous-period","tag-paleontology","tag-egg-eating-predators"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/2788","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=2788"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/2788\/revisions"}],"predecessor-version":[{"id":2789,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/posts\/2788\/revisions\/2789"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/media?parent=2788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/categories?post=2788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/tr\/wp-json\/wp\/v2\/tags?post=2788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}