Question

multiple choice question
blue - footed boobies are birds that make a great show of their blue feet to attract and keep a potential mate. the blue feet are an example of which of the following?
o an auditory signal
o a visual signal
o electroreception
o pheromones

Explanation:

Blue - footed boobies use their blue feet to attract mates. Since the signal is based on sight (seeing the blue color of the feet), it is a visual signal. An auditory signal would be a sound - based signal, electroreception is the ability to detect electric fields, and pheromones are chemical signals.

Answer:

A visual signal