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.

QUIZZES

Let the aeolian gusts transport you back to these popular Words of the Day from the month of May. How many do you remember?

Question 1 of 10

Which of the following words means “to travel or journey, especially to walk on foot”?

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