Zebra

The stripes of a zebra have puzzled evolutionary biologists over the years. One conjecture is that sexual selection is responsible: the symmetry of the stripes being an indication of health.
Photograph by Nancy Campbell.
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The stripes of a zebra have puzzled evolutionary biologists over the years. One conjecture is that sexual selection is responsible: the symmetry of the stripes being an indication of health.
Photograph by Nancy Campbell.
![]() |