S\u00d6LENTERLER V\u00fccutlar\u0131n\u0131n merkezinde bir sindirim bo\u015flu\u011fu bulunur. V\u00fccutlar\u0131 iki tabakadan olu\u015fmu\u015ftur. D\u0131\u015f h\u00fccre tabakas\u0131nda yak\u0131c\u0131 kaps\u00fcller vard\u0131r. Bu kaps\u00fcller canl\u0131y\u0131 d\u00fc\u015fmanlar\u0131na kar\u015f\u0131 korur. Hayvanlar d\u00fcnyas\u0131n\u0131n ilk ger\u00e7ek sinir h\u00fccreleri s\u00f6lenterlerde bulunur. Deniz anas\u0131, hidra ve mercanlar s\u00f6lenterlerdendir.
\nMERCANLAR: Knidlilerin mercanlar \u00fcst s\u0131n\u0131f\u0131na ba\u011fl\u0131 olan, \u00f6zellikle tropikal denizlerde her zaman bir yere ba\u011flanarak ya\u015fayan ve iskeleti kire\u00e7ta\u015f\u0131ndan olu\u015fan hayvan. K\u0131rm\u0131z\u0131 mercan \u00fcst\u00fcnde, poliplerin yerlerini belirleyen k\u00fc\u00e7\u00fck \u015fi\u015fkinliklerin bulundu\u011fu \u00e7ok dallanm\u0131\u015f lal rengi \u201ck\u00fc\u00e7\u00fck \u00e7al\u0131\u201d g\u00f6r\u00fcn\u00fcm\u00fcndedir. \u00c7i\u00e7ek gibi a\u00e7abilen poliplerin beyaz rengi, k\u0131rm\u0131z\u0131 renkli polip\u00f6be\u011fi \u00fcst\u00fcnde belirgin bir bi\u00e7imde ay\u0131rt edilir. Bu t\u00fcr bir ortocorallia oldu\u011fu i\u00e7in her polipin k\u00fc\u00e7\u00fck \u00e7\u0131k\u0131nt\u0131larla \u00f6rt\u00fcl\u00fc sekiz dokunac\u0131 vard\u0131r. S\u00f6z konusu polipler, bir \u00e7e\u015fit jelatinsi tabaka olan mezoglea i\u00e7ine k\u00f6k salarlar. Mezoglea, i\u011fnecik olarak adland\u0131r\u0131lan kayna\u015fm\u0131\u015f par\u00e7alardan olu\u015fmu\u015f kire\u00e7ta\u015f\u0131ndan (kalker) bir eksen iskeletin \u00fcst\u00fcn\u00fc kaplar: Bu iskelet kuyumculukta kullan\u0131l\u0131r. Polip\u00f6be\u011fi, polipleri birbirine ba\u011flayan ve besin d\u011fim\u015fimlerinin sa\u011flayan kanallar nedeniyle derin \u00e7izgili bir g\u00f6r\u00fcn\u00fcm alm\u0131\u015ft\u0131r. K\u0131rm\u0131z\u0131 mercan \u00f6zellikle 45 ve 90 metre derinlikler aras\u0131nda ya\u015far; Octocorallia s\u0131n\u0131f\u0131, daha bir\u00e7ok \u00f6nemli tipleri kapsar. Gorgonlarda renk daha az canl\u0131d\u0131r ve eksen iskeleti kire\u00e7ten daha \u00e7ok boynuzsu yap\u0131dad\u0131r. Kolonileri tek bir d\u00fczlem \u00fcst\u00fcnde yass\u0131la\u015fm\u0131\u015ft\u0131r ve dallar\u0131 aralar\u0131nda birle\u015febilen \u201cyelpazeler\u201d olu\u015ftururlar. Alkyone\u2019de sert bir iskelet bulunmaz, kire\u00e7li olan i\u011fnecikleri yal\u0131n bir bi\u00e7imde mezoklean\u0131n i\u00e7inde da\u011f\u0131lm\u0131\u015ft\u0131r. Kolonileri parmak bi\u00e7imindedir. Sar\u0131 ya da portakal rengi olan bu koloniler \u00f6zellikle deniz ma\u011faralar\u0131n\u0131n \u00e7eperlerini s\u00fcslerler. Parerythropodium cinsinden bir Alkyone \u00f6l\u00fc bir gorgonun \u00fcst\u00fcne tutunarak onun bi\u00e7imini al\u0131r. Hexacorallia dan olan madreporlar s\u00fcrekli olarak mercan diye adland\u0131r\u0131rlar. Bunlar\u0131n \u00e7o\u011fu, kire\u00e7li bir d\u0131\u015f iskeleti olan ve koloni halinde ya\u015fayan hayvanlard\u0131r, s\u0131cak ve berrak denizlerde geli\u015fen bu mercanlar, biyoloji ve jeoloji a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck \u00f6nem ta\u015f\u0131yan mercan resiflerini olu\u015ftururlar. Mercan Resifleri: Deniz d\u00fczeyinde \u00e7o\u011fal\u0131p yay\u0131lan mercan ve \u00f6b\u00fcr deniz organizmalar\u0131 y\u0131\u011f\u0131nlar\u0131 olan mercan resifleri \u00f6zellikle B\u00fcy\u00fck Okyanus\u2019ta ve Hint Okyanusu\u2019nda ya\u015farlar ve de\u011fi\u015fik g\u00f6r\u00fcn\u00fcmlerde olurlar. Bir resif, k\u0131y\u0131ya yap\u0131\u015farak olu\u015ftu\u011funda k\u0131y\u0131 resifi ad\u0131n\u0131 al\u0131r; ayr\u0131ca k\u0131y\u0131ya paralel olarak ve belli bir uzakl\u0131kta geli\u015fen resifler de vard\u0131r (set resifi). Bunun en belirgin \u00f6rne\u011fi, Avustralya a\u00e7\u0131klar\u0131ndaki B\u00fcy\u00fck Set\u2019tir. Ya\u015fayan organizmalar taraf\u0131ndan olu\u015fturulmu\u015f en katk\u0131s\u0131z resiflerini mercan adas\u0131d\u0131r (atom); bu, a\u00e7\u0131k denizde yer alan dairesel bi\u00e7imde ve suyun y\u00fcz\u00fcne \u00e7\u0131km\u0131\u015f b\u00f6l\u00fcm\u00fcn\u00fcn i\u00e7inde bir deniz g\u00f6lc\u00fc\u011f\u00fc (logon) bulunan \u00e7ok bas\u0131k bir adad\u0131r. Resiflerin olu\u015fumuna kar\u0131\u015fan organizmalar \u00e7e\u015fitlidir. Bunlar aras\u0131nda \u00f6nce fazla kire\u00e7le\u015fmi\u015f iskeleti olan madreporlar gelir, ama suyosunlar\u0131 ve yumu\u015fak\u00e7alar da vard\u0131r. Mercanlar \u00e7ok hareketli bir suda etkili bir bi\u00e7imde ya\u015fayamad\u0131klar\u0131 i\u00e7in bunlar\u0131n dayanaklar\u0131n\u0131 suyosunlar\u0131 olu\u015fturur. B\u00fcy\u00fck boy yass\u0131solunga\u00e7l\u0131lar olan Tiridacna\u2019lar resiflerin olu\u015fumuna kat\u0131l\u0131rlar.<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u00d6LENTERLER V\u00fccutlar\u0131n\u0131n merkezinde bir sindirim bo\u015flu\u011fu bulunur. V\u00fccutlar\u0131 iki tabakadan olu\u015fmu\u015ftur. D\u0131\u015f h\u00fccre tabakas\u0131nda yak\u0131c\u0131 kaps\u00fcller vard\u0131r. Bu kaps\u00fcller canl\u0131y\u0131 d\u00fc\u015fmanlar\u0131na kar\u015f\u0131 korur. Hayvanlar d\u00fcnyas\u0131n\u0131n ilk ger\u00e7ek sinir h\u00fccreleri s\u00f6lenterlerde bulunur. Deniz anas\u0131, hidra ve mercanlar s\u00f6lenterlerdendir. MERCANLAR: Knidlilerin mercanlar \u00fcst s\u0131n\u0131f\u0131na ba\u011fl\u0131 olan, \u00f6zellikle tropikal denizlerde her zaman bir yere ba\u011flanarak ya\u015fayan ve iskeleti …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1407,1403],"tags":[2847,5660,5659,5661,2275,5658],"class_list":["post-2255","post","type-post","status-publish","format-standard","hentry","category-fen-ve-teknoloji-odevleri","category-odevler","tag-hint-okyanusu","tag-octocorallia","tag-polipler","tag-polipobegi","tag-sindirim","tag-solentereler"],"_links":{"self":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/2255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/comments?post=2255"}],"version-history":[{"count":0,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/posts\/2255\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/media?parent=2255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/categories?post=2255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.islamidavet.com\/kutuphane\/wp-json\/wp\/v2\/tags?post=2255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}