Peahens prefer to mate with peacocks that have
the brightest and largest tail displays. The
peacock’s tail is, in and of itself, a
disadvantage to the males. It is large and
cumbersome and the males are more easily
caught by predators because of it. Given these
facts, why isn’t the peacock’s tail selected
against by natural selection?
a. peacocks lack the mutations to allow
selection to work
b. it is working- peacocks are slowly going
extinct
c. in spite of the disadvantage, peacocks with
larger tails leave more offspring
d. it is selected against but because a peahen
gives birth to so many males, the
population is not greatly affected
e. this is one of those mysteries of biology
C
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