Biology / Bio 1779 · Atom · ~20 seconds
Sexual Selection and Sexual Dimorphism
Video not yet published
to the StudyWalks catalog
to the StudyWalks catalog
State
Sexual selection favors traits that increase mating success rather than survival; acting unevenly on the sexes, it produces sexual dimorphism, visible physical difference.
Show
A peacock's elaborate tail, favored by female choice despite reducing escape speed from predators, shows sexual selection producing dimorphism.
Watch for
A sexually selected trait can reduce survival while increasing mating success — the two fitness contributions are not the same.