Suppose that you have just saved the life of a sibling. According to sociobiological theory, you have increased your
A) personal fitness.
B) inclusive fitness.
C) reproductive success.
D) reproductive capacity.
E) familial fitness.

Question

Quizplus · Accepted Answer

Inclusive fitness refers to an individual's genetic success as measured by the survival and reproductive success of its kin, adjusted for the degree of relatedness. Saving a sibling's life increases the likelihood that genes shared with the sibling will be passed on, thus enhancing one's inclusive fitness.

Suppose That You Have Just Saved the Life of a Sibling