- the utility of a behavioral trait or of a physical feature of an organism in aiding the survival and reproduction of the organism.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for survival value
Its survival is a matter of absolute certainty, because of its survival-value.
He may have been a throw-back to ancestors who had known bravery, which had no survival-value here.The Forgotten Planet
The survival-value of individuation is greater than the survival-value of rapid multiplication.
She welcomes the parasitic tapeworm, all hooks and mouth or stomach, because these give it survival-value; and so on.
If mankind lost this capacity, all its other characters of survival-value, such as intelligence, would obviously avail it nought.