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In this essay you will present your comparing and contrasting analysis on the mating signals used by members of two different vertebrate ordersâ€”anurans (frogs and toads) and passerines (songbirds). Specifically, you should analyze how mating signals used by anurans and passerines are similar/different in terms of:
(1) Production mechanism (anatomy and physiology);
(2) Acoustic structure and degree of complexity of the signals, and factors influencing variation in the signals (e.g., species, repertoire size, time of the day, etc.); and
(3) Adaptive function of the mating signals (e.g., what information is conveyed, how males â€˜show offâ€™ their qualities, how females select best mate, etc.).