英语词汇“natural selection”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

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natural selection

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natural selection

uncountable noun

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.

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

natural selection in British English

noun

a process resulting in the survival of those individuals from a population of animals or plants that are best adapted to the prevailing environmental conditions. The survivors tend to produce more offspring than those less well adapted, so that the characteristics of the population change over time, thus accounting for the process of evolution

natural selection in American English

in evolution, the process by which those individuals (of a species) with characters that help them to become adapted to their specific environment tend to leave more progeny and transmit their characters, while those less able to become adapted tend to leave fewer progeny or die out, so that in the course of generations there is a progressive tendency in the species to a greater degree of adaptation

Examples of 'natural selection' in a sentence
natural selection

The process is natural selection in action.It's time to put natural selection and survival of the fittest back on track.The Darwinian process of natural selection is at work in the economy.By allowing an animal to survive and prosper in a particular environment, natural selection is an adaptive process.My genes, after all, had a much longer history of natural selection behind them than his did.If you think of the origin of life as slow, you must think of it as a Darwinian process driven by natural selection.

单词	natural selection
释义	Trends of natural selection View usage for: natural selection uncountable noun 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. Natural selection ensures only the fittest survive to pass their genes on to thenext generation. natural selection in British English noun a process resulting in the survival of those individuals from a population of animals or plants that are best adapted to the prevailing environmental conditions. The survivors tend to produce more offspring than those less well adapted, so that the characteristics of the population change over time, thus accounting for the process of evolution natural selection in American English in evolution, the process by which those individuals (of a species) with characters that help them to become adapted to their specific environment tend to leave more progeny and transmit their characters, while those less able to become adapted tend to leave fewer progeny or die out, so that in the course of generations there is a progressive tendency in the species to a greater degree of adaptation see also Darwinian theory Examples of 'natural selection' in a sentence natural selection The process is natural selection in action. Times, Sunday Times (2006) It's time to put natural selection and survival of the fittest back on track. Times, Sunday Times (2009) The Darwinian process of natural selection is at work in the economy. Times, Sunday Times (2009) By allowing an animal to survive and prosper in a particular environment, natural selection is an adaptive process. Sanderson, Stephen K. Macrosociology: An Introduction to Human Societies (1995) My genes, after all, had a much longer history of natural selection behind them than his did. Wills, Christopher The Runaway Brain: the Evolution of Human Uniqueness (1993) If you think of the origin of life as slow, you must think of it as a Darwinian process driven by natural selection. Dyson, Freeman Infinite in All Directions (1989)
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Trends ofnatural selection

natural selection

natural selection in British English

natural selection in American English

Examples of 'natural selection' in a sentencenatural selection

Trends of
natural selection

Examples of 'natural selection' in a sentence
natural selection