{"id":35219,"date":"2019-07-07T03:20:19","date_gmt":"2019-07-07T00:20:19","guid":{"rendered":"https:\/\/bilimvegelecek.com.tr\/?p=35219"},"modified":"2019-07-05T17:41:42","modified_gmt":"2019-07-05T14:41:42","slug":"tarih-oncesinde-yasamis-bazi-timsah-turlerinin-vejetaryen-oldugu-ortaya-cikti","status":"publish","type":"post","link":"https:\/\/bilimvegelecek.com.tr\/index.php\/2019\/07\/07\/tarih-oncesinde-yasamis-bazi-timsah-turlerinin-vejetaryen-oldugu-ortaya-cikti","title":{"rendered":"Tarih \u00f6ncesinde ya\u015fam\u0131\u015f baz\u0131 timsah t\u00fcrlerinin vejetaryen oldu\u011fu ortaya \u00e7\u0131kt\u0131!"},"content":{"rendered":"<p>G\u00fcn\u00fcm\u00fczde ya\u015fayan timsahlar, en deh\u015fet verici sofra adaplar\u0131ndan birine sahip: Bo\u011fma ve ard\u0131ndan avlar\u0131n\u0131 b\u00fct\u00fcn veya d\u00f6nerek tek lokmal\u0131k par\u00e7alar haline getirip yutma.<\/p>\n<p>Ancak konuya ili\u015fkin olarak yap\u0131lan yeni ara\u015ft\u0131rma, timsahlar\u0131n ve onlar\u0131n tarih \u00f6ncesinde ya\u015fam\u0131\u015f akrabalar\u0131n\u0131n tamam\u0131n\u0131n korkun\u00e7 et t\u00fcketicileri olmad\u0131klar\u0131n\u0131 kan\u0131tlad\u0131. Fosil kal\u0131nt\u0131lar\u0131 \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmalar, dinazor \u00e7a\u011f\u0131 boyunca ya\u015fayan bir avu\u00e7 t\u00fcr\u00fcn vejetaryen ya\u015fam s\u00fcrd\u00fc\u011f\u00fcn\u00fc ortaya \u00e7\u0131kard\u0131. Fosillerde bulunan di\u015f yap\u0131lar\u0131 \u00fczerinde \u00e7al\u0131\u015fma yapan bilim insanlar\u0131, ara\u015ft\u0131rman\u0131n \u00e7\u0131kt\u0131lar\u0131n\u0131 Current Biology dergisinde yay\u0131mlad\u0131.<\/p>\n<p>ABD\u2019deki Utah \u00dcniversitesi\u2019nde \u00e7al\u0131\u015fma y\u00fcr\u00fcten Keegan Melstrom ve Randall Irmis, yakla\u015f\u0131k olarak 250 milyon y\u0131l \u00f6nce ile dinazorlar\u0131n yok olu\u015funa kadarki s\u00fcre\u00e7te 66 milyon y\u0131l kadar s\u00fcren uzun bir d\u00f6nem olan Mezozoik devrinde nesli t\u00fckenen 16 farkl\u0131 timsah t\u00fcr\u00fcnden al\u0131nan 146 di\u015f \u00f6rne\u011fi aras\u0131ndaki farkl\u0131l\u0131klar \u00fczerinde detayl\u0131ca \u00e7al\u0131\u015ft\u0131.<\/p>\n<figure id=\"attachment_35220\" aria-describedby=\"caption-attachment-35220\" style=\"width: 300px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-35220 size-medium\" src=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/1-3-1-300x131.jpg\" alt=\"\" width=\"300\" height=\"131\" srcset=\"https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/1-3-1-300x131.jpg 300w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/1-3-1-768x336.jpg 768w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/1-3-1-1024x448.jpg 1024w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/1-3-1-600x263.jpg 600w, https:\/\/bilimvegelecek.com.tr\/wp-content\/uploads\/2019\/07\/1-3-1.jpg 1028w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-35220\" class=\"wp-caption-text\">Antik s\u00fcr\u00fcngenlerin di\u015f yap\u0131lar\u0131na ili\u015fkin g\u00f6rsel<\/figcaption><\/figure>\n<p>OPCR tekni\u011fi ile di\u015f y\u00fczeyindeki karma\u015f\u0131kl\u0131\u011f\u0131 \u00f6l\u00e7en bilim insanlar\u0131, bu y\u00f6ntemle hangi di\u015flerin et bazl\u0131 veya bitki bazl\u0131 bir beslenme ile e\u015fle\u015fece\u011fini \u00f6ng\u00f6rebildi. Melstrom ve Irmis, yapt\u0131klar\u0131 \u00e7al\u0131\u015fma ile bu tekni\u011fin ayn\u0131 \u015fekilde nesli t\u00fckenmi\u015f s\u00fcr\u00fcngen di\u015flerinde de i\u015fe yarad\u0131\u011f\u0131n\u0131 buldu.<\/p>\n<p>\u00c7al\u0131\u015fmaya dair a\u00e7\u0131klama yapan Melstrom, \u201cBitki t\u00fcketen canl\u0131lar daha kompleks di\u015flere sahipken, et t\u00fcketen canl\u0131lar basit di\u015flere sahiptir. Hem bitki hem de et t\u00fcketen canl\u0131lar olan Omnivorlar ise, bu iki durumun aras\u0131nda bir yere tekab\u00fcl eder. Soyu t\u00fckenmi\u015f olan timsah t\u00fcrleri, beslenme konusunda kar\u0131\u015f\u0131k bir \u00e7antaya benzer. Ancak baz\u0131lar\u0131 g\u00fcn\u00fcm\u00fczdeki timsahlara benziyordu. Baz\u0131lar\u0131, et t\u00fcketiyordu, di\u011ferleri de hem et hem bitki t\u00fcketen Omnivorlard\u0131. Ancak bu \u00e7al\u0131\u015fma, bir k\u0131s\u0131m t\u00fcr\u00fcn bitki t\u00fcketimi konusunda uzmanla\u015ft\u0131\u011f\u0131n\u0131 g\u00f6steriyor\u201d dedi ve ekledi: \u201cS\u00fcr\u00fcngenlerin timsahlar\u0131 var etmek i\u00e7in ayr\u0131lm\u0131\u015f kolu olan \u2018Crocodyliform\u2019 \u00fcyelerinin bulundu\u011fu a\u011fa\u00e7ta, vejetaryen olan bireylerin hepsi ayn\u0131 dal \u00fczerinde bulunmaz. Herbivorlara \u00f6zg\u00fc olarak i\u015faret etti\u011fimiz kompleks di\u015f yap\u0131lar\u0131, timsahlar\u0131n soyu t\u00fckenmi\u015f akrabalar\u0131nda sadece \u00fc\u00e7 kez ve veri k\u00fcmesinin tamam\u0131nda da sadece alt\u0131 kez kar\u015f\u0131m\u0131za \u00e7\u0131k\u0131yor.\u201d<\/p>\n<p>Bu durum da destekliyor ki bitki t\u00fcketimi, bir\u00e7ok kez d\u00fcnyan\u0131n farkl\u0131 b\u00f6lgelerinde ba\u011f\u0131ms\u0131z bir \u015fekilde evrildi. Baz\u0131 \u00f6rneklerde; bitki t\u00fcketen timsahlar, bitki t\u00fcketen memelilerin ve onlar\u0131n akrabalar\u0131n\u0131n yan\u0131nda ya\u015famak durumundayd\u0131. Ancak bitki t\u00fcketen her iki grubun da birbirleriyle rekabet halinde olup olmad\u0131\u011f\u0131 veya farkl\u0131 bitki t\u00fcrlerinde uzmanla\u015f\u0131p uzmanla\u015fmad\u0131klar\u0131 bilinmemektedir. Ancak bitki kaynaklar\u0131n\u0131n memeliler ve timsahlar taraf\u0131ndan payla\u015f\u0131lmas\u0131, modern ekosistemde ger\u00e7ekle\u015febilecek bir \u015fey de\u011fildir.<\/p>\n<p>Kaynak: https:\/\/cosmosmagazine.com\/palaeontology\/some-prehistoric-crocs-were-vegetarians<\/p>\n","protected":false},"excerpt":{"rendered":"<p>G\u00fcn\u00fcm\u00fczde ya\u015fayan timsahlar, en deh\u015fet verici sofra adaplar\u0131ndan birine sahip: Bo\u011fma ve ard\u0131ndan avlar\u0131n\u0131 b\u00fct\u00fcn veya d\u00f6nerek tek lokmal\u0131k par\u00e7alar haline getirip yutma. Ancak konuya ili\u015fkin olarak yap\u0131lan yeni ara\u015ft\u0131rma, timsahlar\u0131n ve onlar\u0131n tarih \u00f6ncesinde ya\u015fam\u0131\u015f akrabalar\u0131n\u0131n tamam\u0131n\u0131n korkun\u00e7 et t\u00fcketicileri olmad\u0131klar\u0131n\u0131 kan\u0131tlad\u0131. Fosil kal\u0131nt\u0131lar\u0131 \u00fczerinde yap\u0131lan \u00e7al\u0131\u015fmalar, dinazor \u00e7a\u011f\u0131 boyunca ya\u015fayan bir avu\u00e7 t\u00fcr\u00fcn [&hellip;]<\/p>\n","protected":false},"author":1390,"featured_media":35221,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19],"tags":[253,645,3088,5009,1165],"class_list":["post-35219","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bilim-gundemi","tag-beslenme","tag-bitki","tag-surungen","tag-timsah","tag-vejetaryen"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/35219","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\/1390"}],"replies":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/comments?post=35219"}],"version-history":[{"count":0,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/posts\/35219\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media\/35221"}],"wp:attachment":[{"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/media?parent=35219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/categories?post=35219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bilimvegelecek.com.tr\/index.php\/wp-json\/wp\/v2\/tags?post=35219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}