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natural selection

[nach-er-uhl si-lek-shuhn, nach-ruhl] / ˈnætʃ ər əl sɪˈlɛk ʃən, ˈnætʃ rəl /


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.

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

Evolution occurs through random variation and natural selection: The strong survive and reproduce; the weak perish.

From The Wall Street Journal • Feb. 9, 2026

Under this view, mutations are usually neither helpful nor harmful, allowing them to spread quietly without being strongly favored or rejected by natural selection.

From Science Daily • Dec. 24, 2025

Darwin himself could scarcely have found a better example of the operation of natural selection than is provided by the way the mechanism of resistance operates.

From "Silent Spring" by Rachel Carson




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