容忍是一种美丽的智慧

• 作 者: 屠文
• 出 处: 语文新圃
• 发表日期: 2005年08期
• 关键词: 非洲大陆 昏睡病 色彩对比 捕食性 滤光

在非洲大陆,动物一旦被舌蝇叮咬,就可能染上“昏睡病”。科学家研究后发现,舌蝇的视觉很特别,一般只会被颜色一致的大块面积所吸引,舌蝇从不叮斑马就因为斑马一身黑白相同的斑纹。然而,斑马身上色彩对比强烈的斑纹,却使它很容易受到狮子之

On the African continent, once animals have been bitten by tsetse flies, they may develop “sleepiness.” Scientists have discovered that the visual of tsetse flies is very special. They are generally only attracted by large areas of consistent color. The tsetse never flies to the zebras because the zebras have the same black and white stripes. However, the strong contrasting stripes on the zebra make it vulnerable to lions.