The reproductive lifespans of members of a given species are probably thus optimised to match the time an individual of that species might expect to survive before being cut down by accident , predation or disease .
一个给定物种的繁殖期限可能会因此被进化到能符合此物种个体大致预期被意外、捕食或疾病终止存活的时间。
Predation is even trickier to uncover when goods are sold together .
当产品实行捆绑销售时,揭示掠夺性行为尤为困难。
This , then , was a world of savage repression and brutal predation .
因此,这是一个野蛮镇压和残酷掠夺的世界。
Much of the " growth " and profits have come from ruthless exploitation and predation .
大多数“增长”和利润都来源于无情的剥削和掠夺。
While predation and habitat loss still remain major threats to wildlife , today 's extinctions aren 't always the result of something so deliberate as a bullet .
The seabirds there have no defences against predation , so the mouse simply walks into their nests and starts eating the chicks alive .
那儿的海鸟对动物的掠食行为毫无防备,所以老鼠们轻而易举地就走进了海鸟的巢穴并开始进食它们的幼崽。
If one nest proves susceptible to some environmental factor-be it disease , predation , or even a cold snap or wet spell-then it is likely that all the other colonies will share that vulnerability .
" Sleep has normally been viewed as something negative for survival because sleeping animals may be vulnerable to predation and they can 't perform the behaviors that ensure survival , " siegel said .
Honorable mention , nature : predation up close and personal - near komodo , indonesia , I was surrounded by thousands of fish that moved in synchrony because of the predation that was happening .
自然类优胜奖:零距离捕食现场-科莫多海域附近-印度尼西亚,我被成千上万的鱼包围因为捕食者正在行动。
We know that aerial invertebrates , such as moths , are attracted to street lights and can experience increased rates of mortality as a result of flying into the lights , exhaustion or increased predation by things like bats .