"r/K selection theory" meaning in English

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  "etymology_text": "Coined by the American ecologists Robert H. MacArthur and E. O. Wilson in 1967. The choice of the letter K came from the German Kapazitätsgrenze (“capacity limit”), while r came from rate.",
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        "A theory regarding the selection of combinations of traits in an organism that represent a trade-off between quantity and quality of offspring."
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        "(ecology) A theory regarding the selection of combinations of traits in an organism that represent a trade-off between quantity and quality of offspring."
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        {
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