Golden-Collared Manakin Birds Perform an Elaborate Mating Dance That Includes

Golden-collared manakin birds perform an elaborate mating dance that includes jumping on perches and repeatedly hitting their wings together to make a popping noise. Data suggest that females select the fastest jumpers and those that make the popping noise more rapidly for mating. The _____ is the mechanistic explanation of this behavior; the _____ is the adaptive function of this behavior.

A) mate choice; ability to jump
B) ability to jump; mate choice
C) female evaluation of the behavior; ability to jump
D) ability to jump; female evaluation of the behavior