天气预报 > 其他 > 秃鹫为什么头上没有毛
秃鹫为什么头上没有毛
更新时间: 2020-11-07 00:00:00  

动物经常要把头伸到动物尸体的肚子里去吃内脏,头上没有毛就能避免腐肉沾到头颈上,对保持清洁有利。这样的身体特征是长期进化的结果。吃东西的时候,头会伸进尸体里,如果有羽毛的话,细菌或者是寄生虫会借此机会搭便车。秃鹫一般集体进食,甚至抢食,如果有羽毛也不被它们因争抢而拔光的。

关键词: 秃鹫 为什么 没有

秃鹫为什么头上没有毛相关经验

天气预报

最新推荐

页面:/news/view-2754493/ | 耗时:0.2200 s | 内存:2.11 MB | 查询:5 | 缓存读取:3 写入:1 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=2754493 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2754493 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2754493 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1129433,1873035,2315923,1087523,1299089,1094613,1068564,1479930,1103941,2156368,833827,1121322,2399458,1041683,1104483,221228,215955,1063097,1095646,2238567,1089040,1308760,2489361,1813779,1083265,343490,2373745,1103895,1119690,2745637) ORDER BY field (ArticleID,1129433,1873035,2315923,1087523,1299089,1094613,1068564,1479930,1103941,2156368,833827,1121322,2399458,1041683,1104483,221228,215955,1063097,1095646,2238567,1089040,1308760,2489361,1813779,1083265,343490,2373745,1103895,1119690,2745637)
SELECT * FROM tbl_categories where CategoryID=90037 LIMIT 0,1