What Factors Caused The Variation In The Colors Of The Guppies?
What Factors Caused The Variation In The Colors Of The Guppies? What factors caused the variation in the colors of the guppies? The color patterns of male guppies are influenced by both sexual and natural selection (Endler 1978, 1983). Sexual selection (female mate choice) often (although not always) favors more colorful males (Houde 1987; Endler