Which of the following would you predict would evolve in guppies taken from streams with predators that key in on prey color and put into streams lacking predators?
a. Guppies would become more colorful.
b. Guppies would become less colorful.
c. Guppies would not change in coloration.
d. Guppies would evolve to have females prefer even more colorful males.
e. Guppies would evolve to have females prefer less colorful males.