;According to evolutionary biology, altruistic behavior might help assure the survival of one's own genes into succeeding generations primarily because .

Some of your genes will make it into the next generation if the people who share your genes also survive.

Explanation:

Altruistic behavior is the  behavior shown by the people who first think for the well fare of the people than they think for their self.Altruistic people show selfless acts so as to help others .They do not think for their own benefit. They do not desire reward or recognition for their work they do to help or benefit others.