盘点八种能识数的动物 食蚊鱼计算依靠比率(2)
2009-06-25 09:31:38
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2 小鸡

对新生的小鸡进行的试验显示,它们生来具有数字的意识。意大利帕多瓦大学一个研究小组发现,那些把小球和碎纸片当成它们亲戚的小鸡能进行简单的加减法运算。
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