survival value
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noun
the utility of a behavioral trait or of a physical feature of an organism in aiding the survival and reproduction of the organism.
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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for survival value
Historical Examples of survival value
Its survival is a matter of absolute certainty, because of its survival-value.
Parenthood and Race CultureCaleb Williams Saleeby
He may have been a throw-back to ancestors who had known bravery, which had no survival-value here.
The Forgotten PlanetMurray Leinster
The survival-value of individuation is greater than the survival-value of rapid multiplication.
Parenthood and Race CultureCaleb Williams Saleeby
She welcomes the parasitic tapeworm, all hooks and mouth or stomach, because these give it survival-value; and so on.
Parenthood and Race CultureCaleb Williams Saleeby
If mankind lost this capacity, all its other characters of survival-value, such as intelligence, would obviously avail it nought.
Parenthood and Race CultureCaleb Williams Saleeby