英 [ˌnætʃrəl sɪˈlekʃən] 美 [ˌnætʃrəl sɪˈlekʃn]
自然选择：一种自然过程，其结果是适应环境最佳的个体或群体在生存和繁殖上取得成功，并导致适应特定环境的基因特征的传承。
natural selection //
不可数名词 Natural selection is a process by which species of animals and plants that are best adapted to their environment survive and reproduce, while those that are less well adapted die out. (生物的)自然选择; 物竞天择
Natural selection ensures only the fittest survive to pass their genes on to the next generation.
物竞天择确保只有最适应环境的物种才得以生存下来，把基因传递给下一代。
a natural process resulting in the evolution of organisms best adapted to the environment
同义词： survival / survival of the fittest / selection
...达尔文的自然选择（英文Natural Selection）,就是说：一个物种由于适应环境而得以生存下来,而不适应环境的物种就会被淘汰.（但是,达尔文的自然选择有很大的问题.
物竞天择2（Natural Selection 2）即将发布 狂怒（Rage）即将发布
天择及人择与生物技术 天择（natural selection）是在自然界中让生物接受自然环境及生物交互作用所产生的选择。
...l Sentiments ）的论点加起来就变得没有矛盾：早一本说人类天生有同情心，我们会察觉到斯密说的是自然淘汰（natural selection）：人类自私是因为不能不自私！这样看，而是为了他们的自利——其实是断章取义地理解错了他。
Thus, natural selection stabilized this host-parasite relationship.
因此，自然选择让这种寄主-寄生关系变得稳定。
Only the individuals of a species are subject to the pressures of natural selection.
只有一个物种的个体感受到自然选择的压力。
Natural selection favors the parasites that are best able to find and feed on hosts.
自然选择偏爱那些最容易找到寄主并以之为食的寄生虫。
And she explains the theory of evolution through natural selection in a way that both children and adults will enjoy.
VOA : special.2009.02.27
And in fact, Skinner explicitly made the analogy from the natural selection of species to the natural selection of behavior.
实际上，斯金纳也确实明确地,对物种的自然选择,同行为的自然选择进行过类比。
心理学导论课程节选 : 耶鲁公开课
That is, if they exist through Darwinian natural selection, ? to what extent can we ever get rid of them?
如果性别差异存在于,达尔文所说的自然选择当中，我们可以消除性别差异吗？
心理学导论课程节选 : 耶鲁公开课
These pictures show young readers what led Darwin to form his great discovery: the evolution of species through natural selection.
VOA : special.2009.02.27
The animals on the islands influenced British nature scientist Charles Darwin's ideas about evolution by natural selection.
VOA : special.2009.12.16
Its isolated location provides the ideal context for studying the dynamics of insular evolution and natural selection.
The human population exploded and without natural selection pressure, fecundity in the types economic activity flourished.
FORBES: Lemin Wu, Economic Growth and Why Humanity Can't Have Nice Things
By intervening to eliminate failure, government has nullified this natural selection of the better producers.
FORBES: By Eliminating Failure, The Government Robs Us Of Success