A new study finds that large group size and mating systems in which males have multiple mates drove the evolution of lower-pitched voices in primates.
Primates, whom humans evolved from, rabbits and hares, dogs and cats were shown to have evolved just before the mass extinction, so they coexisted with dinosaurs.
The authors said that their findings deepen their understanding of how the evolution of more convoluted channels enabled mammals’ - especially cats’ - enhanced sense of smell.
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