They chose these bears because they neither interact with people nor prey on animals that spend any significant amount of time near human settlements.
选择北极熊是因为牠们没有接触人类，也没有猎捕在人类聚落附近的动物。
These animals shred the prey that fall into the pitcher, and the smaller organisms feed on the debris.
这些动物撕碎掉到水罐里的猎物，而小一些的生物则以残骸为食。
Go back in history and this was part of our survival repertoire; like most animals, we drew on our sense of smell, when visual information was scarce, to single out prey.
回顾历史，这是我们生存技能的一部分；像大多数动物一样，当视觉信息匮乏时，我们利用嗅觉来识别猎物。
When the American cheetahs disappeared, their influence on the evolution of pronghorn and presumably on other prey animals stopped.
当美洲猎豹消失后，它们对叉角羚进化的影响就停止了，对其他猎物的影响应该也停止了。
Sea snakes prey on small Marine animals, and the powerful toxins in the venom quickly immobilize the prey before it can swim off.
海蛇经常捕捉小型水生动物，他们毒液中强有力的毒素会迅速使猎物在游走前丧失移动能力。
The lions in this area prey on deer and other wild animals.
这个地方的狮子捕食鹿和其他野生动物。
The animals are renowned locally for bursting through the surface as they prey on seals.
这种动物在当地很出名，主要因为他们在捕食海豹时跃出海面的动作。
A human corpse is cut into small pieces and placed on a mountaintop, exposing it to the elements and animals - especially to birds of prey.
将一具尸体碎成无数小块然后置于山顶之上，使其暴露于风雨雷电和动物(特别是食肉猛禽)之下。
Far from violating the laws of motion, animals exploit them to their advantage as they walk, run, dodge and jink, leap and fly, pounce on prey or spring to safety.
非但没有违反惯性定律，动物们在行走、奔跑、躲闪、跳跃、飞行、捕食或逃生中，将惯性定律的优势充分发挥。
About 30 percent of that estimate would go toward programs to suppress the poaching of tigers and of the animals they prey on.
约有30%的资金用于禁止偷猎野生虎及其捕食动物的项目中。
Go back in history and this was part of our survival repertoirel like most animals, we drew on our sense of smell, when visual information was scarce, to single out prey.
回顾历史，这就是我们生存的技能；和大多数动物一样，在视觉上得到的信息有限的情况下，我们凭借我们的嗅觉挑选我们的猎物。
Wolves are intelligent and social. Their primary prey are deer, moose, and caribou, though they feed on many smaller animals As well.
狼生性聪明，群居。虽然以许多小动物为食，但主要猎物是鹿、驼鹿和北美驯鹿。
After 1910 hunters shot and wounded a substantial number of wolves, thereby greatly diminishing these wolves' ability to prey on wild animals.
正确，狼是群体性动物，过少的数量不利于狼群捕猎野生动物。因而开始杀较为简单的羊。
After 1910 hunters shot and wounded a substantial number of wolves, thereby greatly diminishing these wolves' ability to prey on wild animals.
正确，狼是群体性动物，过少的数量不利于狼群捕猎野生动物。因而开始杀较为简单的羊。
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