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.

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

There was no epigenesis in the case of giraffes’ long necks nor in more than 99% of the workings of natural selection in other contexts.

From The Wall Street Journal • Mar. 20, 2026

That was assumed to be the result of a natural selection.

From Barron's • Feb. 26, 2026

The theoretical approach, which studies human behavior, cognition and emotions as products of natural selection, depicts relationship formation as sales-like, highly gendered and strategy-based.

From Los Angeles Times • Feb. 12, 2026

In short, diseases represent evolution in progress, and microbes adapt by natural selection to new hosts and vectors.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond