It can be very difficult to prove the existence of altruism in a relationship between individuals. In many cases, the altruistic relationship is specific to closely related individuals. What is the term given to the relationship in this instance?

Question

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Kin selection is the term used to describe the evolutionary strategy that favors the reproductive success of an organism's relatives, even at a cost to the organism's own survival and reproduction. This concept explains why altruistic behavior often occurs among closely related individuals, as genes shared by relatives can be passed on to the next generation through such behaviors.

It Can Be Very Difficult to Prove the Existence of Altruism