Male tungara frogs have a call that contains a "chuck" sound that is attractive to tungara frog females, but that is absent from the calls of males in closely related species
Which of the following experiments could you use to test the sensory bias model as an explanation for the evolution of the "chuck" sound?
a. test the attractiveness of recorded tungara male calls from which you have digitally removed the "chuck" on conspecific females
b. test the attractiveness of heterospecific male calls on tungara frog females
c. test the attractiveness of tungara frog calls with "chuck" on con- and heter-ospecific females
d. test the attractiveness of tungara frog calls with "chuck" on females of an unrelated species that also has male calls with a similar "chuck" sound
C
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