survival value

the utility of a behavioral trait or of a physical feature of an organism in aiding the survival and reproduction of the organism.

Content related to survival value

Its survival is a matter of absolute certainty, because of its survival-value.
Parenthood and Race Culture|Caleb Williams Saleeby
A chief fact of progress has been, in a word, the supersession of the quantitative by the qualitative criterion of survival-value.
Parenthood and Race Culture|Caleb 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 Culture|Caleb Williams Saleeby
He may have been a throw-back to ancestors who had known bravery, which had no survival-value here.
The Forgotten Planet|Murray Leinster

She welcomes the parasitic tapeworm, all hooks and mouth or stomach, because these give it survival-value; and so on.
Parenthood and Race Culture|Caleb Williams Saleeby