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Sexual Selection Hypotheses for Human Voice Pitch

The large, sexually dimorphic pitch difference invites adaptive explanation, and the student will meet these hypotheses outside the path whether or not we teach them. Stating them plainly is a precondition for teaching how they would be tested.

Questions this Concept answers

Why does a large, consistent difference between the sexes in a trait invite an adaptive explanation?

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Sexual Selection for Male Fighting Ability in Evolutionary Anthropology

Sexual selection theory holds that traits differing between sexes can evolve through intrasexual contest competition (traits that improve success in same-sex fighting for mates) and/or intersexual ma…