科普小知识:为什么白色动物很少见? Advanced PREMIUM
这世界上有各种颜色的生物,红色的瓢虫、黄色的小鸟、绿色的青蛙、蓝色的孔雀等等,但是你知道有多少动物是白色的吗?是不是没想出几个呢?但为什么会这样呢?今天我们就来看看生物间的科普小知识吧!
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