What Is Life? 2nd Edition by Jay Phelan

Exercise 9

Altruistic behavior in animals may be a result of kin selection, a theory maintaining that:
A) genes promote the survival of copies of themselves when behaviors by animals possessing those genes assist other animals that share those genes.
B) aggression within sexes increases the survival and reproduction of the fittest individuals.
C) companionship is advantageous to animals because, in the future, they can recognize those that have helped them and provide help to those individuals.
D) aggression between the sexes increases the survival and reproduction of the fittest individuals.
E) companionship is advantageous to animals because, in the future, they can recognize those that have helped them and request help once again.