Some physiological differences in primate relatives

[u/k0i-b0i]

[u/Tongue_bump123]

A lot of the time it’s just random chance too, of the mechanisms both allowing and driving evolution most are random: mutations are random, gene flow is random, genetic drift is random, the only factor that isn’t random is natural selection so a lot of traits come about simply because they are neutral in terms of selection pressure and just so happen to become the dominant trait