Example sentences for: non-relatives

How can you use “non-relatives” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • One of the heralded potential examples, predator "inspection" in shoaling fish [ 21 ] has proved something of a controversy [ 20 ] . Various authors have questioned whether the observed behaviour is cooperation maintained by reciprocity in a Prisoner's Dilemma at all, rather than simple by-product mutualism [ 22 ] or some other mechanism [ 23 24 ] . In general, other candidate models to explain altruism among non-relatives have tended to be ignored [ 19 25 26 ] , and the usefulness of Prisoner's Dilemma as a paradigm for the study of cooperation is beginning to be brought into question [ 27 ] .


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