“ALTRUISM can evolve when relatedness is low: evidence from bacteria committing suicide upon phage infection. High relatedness among interacting individuals has generally been considered a precondition for the evolution of altruism. However, kin-selection theory also predicts the evolution of altruism when relatedness is low, as long as the cost of the altruistic act is minor compared with its benefit.”
https://lnkd.in/d53-z28