Counterpoint: insect colonies. Almost all bees in a hive are infertile females, therefore the phenotype of infertility can be selected for, unintuitive as it sounds. In any social species you could have similar "worker bee" individuals who perform some useful role without reproducing themselves, to the point individuals who do reproduce are advantaged by making them.
Counterpoint: insect colonies. Almost all bees in a hive are infertile females, therefore the phenotype of infertility can be selected for, unintuitive as it sounds. In any social species you could have similar "worker bee" individuals who perform some useful role without reproducing themselves, to the point individuals who do reproduce are advantaged by making them.
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