• Natural selection ensures only the fittest survive to pass their genes on to the next generation.

    物竞天择确保只有适应环境的物种才得以生存下来,基因传递下一代。

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  • Thus, natural selection stabilized this host-parasite relationship.

    因此自然选择这种寄主-寄生关系变得稳定

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  • Only the individuals of a species are subject to the pressures of natural selection.

    只有一个物种个体感受到自然选择压力

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  • Natural selection favors the parasites that are best able to find and feed on hosts.

    自然选择偏爱那些容易找到寄主以之为寄生虫

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  • "It seemed like the perfect chance for natural selection to act on a population," said Dr. Ilardo.

    似乎自然选择一个群体中发挥作用完美机会。”伊拉尔多博士

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  • The answer we'll propose of course is that their behavior is largely a matter of natural selection.

    我们给出答案当然它们行为大部分是自然选择的结果。

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  • At times, it is actually possible to watch the effects of natural selection in host-parasite relationships.

    有时宿主-寄生虫关系中观察自然选择影响实际上可能

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  • Thanks to natural selection, most species that have ever lived has already gone extinct, so this is not a new phenomenon.

    由于自然选择大多数曾经存在过的物种已经灭绝所以不是一个现象

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  • Charles Darwin, the first to describe the role of natural selection in speciation, wrote about the mechanisms of speciation.

    查尔斯·达尔文第一描述自然选择物种形成中的作用人,他描写了物种形成的机制

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  • According to the first of these theories, each individual have evolved, aided by natural selection, an adaptation to the rhythmic environment.

    根据第一理论自然选择帮助下每个个体进化出了有节奏环境适应

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  • Once natural selection had shaped the adaptations that helped plants overcome the obstacles to terrestrial living, plants prospered and diversified.

    一旦自然选择塑造植物适应机制使之克服陆地生活障碍,植物物种就生机勃勃丰富多样了。

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  • As Charles Darwin observed, natural selection operates whenever individuals of one genetic composition are better at reproducing than that of others.

    正如查尔斯·达尔文(Charles Darwin)所观察那样,只要一种基因组成个体其他个体善于繁殖,自然选择就会起作用。

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  • Meanwhile, the deadliest strains of the virus perished with their hosts as natural selection favored strains that could infect hosts but not kill them.

    同时由于自然选择倾向于选择那些能够感染宿主不致死亡病毒,这种致命病毒便随着宿主的死亡而消失。

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  • The result, once natural selection had done its work over the course of millions of years, was the now familiar cast of Allosaurus and Tyrannosaurus rex.

    结果,历经数百万年间自然选择,形成了我们今日熟知特龙克斯霸王龙族群。

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  • Given that there is a living to be made at night, and given that alternative daytime trades are thoroughly occupied, natural selection has favoured bats that make a go of the night-hunting trade.

    考虑到夜晚可以生存并且可供选择白天的“交易完全被占用,它们自然选择偏爱那些成功在夜间进行捕食“交易”的蝙蝠

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  • The grand mediocrity of todayeveryone being the same in survival and number of offspring—means that natural selection has lost 80% of its power in upper-middle-class India compared to the tribes.

    当今人与人很大程度上平等——即面对自然淘汰法则人人机会均等,并且子嗣数目一样——意味着和在印度土著部落中的情况相比,印度中上层阶级中丧失了80%的自然选择中的优势。

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  • If not natural selection, then what?

    如果不是自然选择那么又是什么呢?

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  • That is how natural selection works.

    就是自然选择工作的方式

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  • How humans survived natural selection?

    人类如何通过大自然选择

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  • That's what natural selection is all about.

    这个就是自然选择

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  • Here's how natural selection is supposed to work.

    看看自然选择如何运作的。

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  • Genetic drift can even counteract natural selection.

    基因漂变甚至可以抵消自然选择

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  • We've turned the notion of natural selection on its head.

    我们已经自然选择概念从头进行转变。

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  • Natural selection is a radically environmentalist theory.

    自然选择一个彻底环保理论

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  • So it really does matter whether natural selection is true.

    因此自然选择究竟是否正确真的非常重要

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  • Evolving through natural selection is about time and Numbers.

    通过自然选择进化讲述时间数量的故事。

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  • Might evolution by natural selection explain complex thought?

    通过自然选择进化可以解释复杂思维吗?

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  • Markets and natural selection could help ease the problem, too.

    市场自然选择也可以帮助缓解这个问题

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  • In fact, natural selection often leads to ever greater simplicity.

    事实上自然选择往往导致越来越简单

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  • In fact, natural selection often leads to ever greater simplicity.

    事实上自然选择往往导致越来越简单

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