List and describe the three primary social interactionswhere the social recipient gains a positive effect on reproduction/ fitness. Give one brief example for each of these interactionsthat clearly supports your definition. Define obligate andfacultative altruism. Provide one example each for obligate andfacultative altruism that clearly describes how these two forms ofaltruism work. Name and define the key factor that leads toaltruism becoming a common behavior. What is “Hamilton’sRule?”
