natural selection
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They make it clear that it excludes neither sex-biased demographic processes nor more complex scenarios in which natural selection, differential migrations, and sex asymmetries may all have acted together.
From Science Daily ● Jul. 7, 2026
In this view, harmful mutations are usually removed by natural selection, while truly beneficial mutations are so rare that most lasting molecular changes are expected to be neutral.
From Science Daily ● May 29, 2026
One influential idea is that natural selection becomes weaker later in life, allowing harmful biological processes to emerge with age because they have less impact on reproduction and survival earlier in life.
From Science Daily ● May 22, 2026
Charles Darwin, with his ideas of undirected variation and natural selection, described what was really happening.
From The Wall Street Journal ● Mar. 20, 2026
We and our pathogens are now locked in an escalating evolutionary contest, with the death of one contestant the price of defeat, and with natural selection playing the role of umpire.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
