##altruism

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ⓘ the ‘struggle for existence’: life is short, cruel and, whether through predation, disease or starvation, often ends traumatically. It would seem that in such a dog-eat-dog world, organisms ought to act selfishly, and avoid reducing their fitness (expected survival and reproductive success) by expending time and energy helping others, https://pubmed.ncbi.nlm.nih.gov/31163153/; -