搜索结果: 1-15 共查到“国际动态 人口学原理”相关记录30条 . 查询时间(1.253 秒)
Durham, NC - In a long-term study of interactions between chimpanzees in the famous Gombe National Park in Tanzania, researchers have found that males who consistently bully females tend to father mor...
Choosing between two good things can be tough. When animals must decide between feeding and mating, it can get even trickier. In a discovery that might ring true even for some humans, researchers have...