It 's one of the basic processes that ecologists study , along with predation and competition .
它是生态学者研究的基本流程之一，伴随着捕食和竞争而产生。
Palmer says wildlife filmmakers are trained to look for the " money shot , " a dramatic scene of predation or copulation , for example .
帕尔默说野生动物纪录片拍摄者们常常需要寻找“金钱镜头”，比如动物捕食和交配的画面。
Establishing that a firm is guilty of predation is difficult .
要确定一家公司采取了掠夺性定价是困难的。
Before civilisation intervened , such chronic loneliness would have been so rare ( because isolated individuals are so vulnerable to predation ) that evolution would have ignored it .
在文明到来之前，这种常态性的孤独非常罕见（因为单独的个体易被捕食），进化就把它忽略了。
Most students of ageing agree that an animal 's maximum lifespan is set by how long it can reasonably expect to escape predation , disease , accident and damaging aggression by others of its kind .
