Males of a Species of Sparrow Sing Very Rapid Songs

question 166

Multiple Choice

Males of a species of sparrow sing very rapid songs.Experimental evidence shows that females of this species prefer these fast songs over slowed-down songs.Which would be the strongest support for the sensory exploitation hypothesis?

• A) Related species have males that also sing very fast, and females also prefer these fast songs.
• B) Related species have males that also sing very fast, but females prefer males with slower songs.
• C) Related species have males that do not sing as fast, but the females from these other species also prefer very fast songs over songs of males from their own species.
• D) Related species have males that do not sing as fast, and females from these species prefer the song speeds of males of their own species.
• E) Females of related species are indifferent to the speed of the males' songs.

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