Write an essay in which you analyze the behavior’s costs and benefits then comment on why such behavior is more typical in certain animal species.

Older nestlings killing younger siblings, worker bees giving up their lives to protect the queen bee, and adult wolves helping to raise the siblings of others, and provide both a cost/benefit framework within which to analyze these behaviors and a larger lens through which to view a behavior’s evolutionary consequences.
We have seen several examples of cooperative behavior. Choose one of these and write an essay in which you analyze the behavior’s costs and benefits. Comment on why such behavior is more typical in certain animal species.