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r selection

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Ecology.
selection occurring when a population is far below the carrying capacity of an unstable environment: tends to favor individuals that reproduce early, quickly, and in large numbers so as to make use of ephemeral resources and ensure that at least some offspring survive.
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Also r-se·lec·tion [ahr-si-lek-shuhn]. /ˈɑr sɪˌlɛk ʃən/.
Compare K selection.

OTHER WORDS FROM r selection

r-se·lect·ed [ahr-si-lek-tid], /ˈɑr sɪˌlɛk tɪd/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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