Malte Andersson's study of widowbirds demonstrated that
A) females prefer males with unaltered tails.
B) the preferences of females change according to the season.
C) sexually selected traits have no benefits or costs to survivorship.
D) long tails help males compete physically with other males.
E) females prefer males with longer-than-average tails.

Question

Quizplus · Accepted Answer

Malte Andersson's study showed that female widowbirds preferred males with longer-than-average tails. This indicates that sexually selected traits, such as the tail length of male widowbirds, have an impact on female mate choice.

Malte Andersson's Study of Widowbirds Demonstrated That