2014年2月20日星期四

Solidot: 蚂蚁用身体造筏救蚁后

Solidot

奇客的资讯,重要的东西

蚂蚁用身体造筏救蚁后
http://solidot.org.feedsportal.com/c/33236/f/556826/s/374f989a/sc/17/l/0L0Ssolidot0Borg0Cstory0Dsid0F38412/story01.htm
Feb 20th 2014, 05:03

阿尔卑斯山和比利牛斯山下的盆地是洪泛区,某些时季地面会连续几天淹没在水下。对当地的蚂蚁来说,整个群体将不得不从巢穴中撤离,为了拯救蚁后和幼蚁,蚂蚁用身体造筏。研究人员收集蚂蚁在实验室中进行观察,他们发现年轻的蚂蚁处于筏的底部,这个位置看起来危险但实际上有利于生存。测试显示,年轻蚂蚁比成年蚂蚁的浮力更好,这让它们能像船上浮筒一样支撑整个筏。报告发表在PLOS ONE上。This entry passed through the Full-Text RSS service — if this is your content and you're reading it on someone else's site, please read the FAQ at fivefilters.org/content-only/faq.php#publishers.



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