Which of the following is true of altruism?
A) Altruism is a strategy favored by sexual selection.
B) Altruism can evolve only if the benefit to the group is very high compared with the cost to the actor.
C) Altruism cannot simultaneously increase the fitness of all members of the group.
D) Altruism cannot evolve unless there is no cost to the actor.

Question

Quizplus · Accepted Answer

Altruism can evolve only if the benefit to the group is very high compared with the cost to the actor. This is because altruistic behavior involves a fitness cost to the individual performing the behavior, so the benefit to the group must be significant enough to outweigh this cost in order for the behavior to evolve.

Which of the Following Is True of Altruism