但是，岗恩解释说，在捕食者与猎物双方发生变化的证据并不能证明其中存在着因果关系。
Still, finding evidence of changes in bothpredators and prey does not prove that one caused the other, Gahnnotes.
在人类的进化过程中，动物则代表着捕食者(厌恶)或者猎物(收获)，它们两者的关系息息相关。
During our evolutionary past, animals could have represented either predator (aversive) or prey (rewarding).
“我们认为对食物来源对捕食者和猎物的关系有几个不同的影响。”俄亥俄州立大学研究员珍妮佛·玛尔·帕斯说。
"We imagined that the food resource on the landscape could have a couple different effects on relationships between nest predators and their prey." Ohio State University researcher Jennifer Malpass.
应用推荐