Question

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

a visual signal

electroreception

pheromones

an auditory signal

Explanation:

Blue - footed boobies use their blue feet to attract mates. Since it is a visible characteristic used for communication, it is a visual signal. Electroreception involves detecting electrical fields, pheromones are chemical signals, and auditory signals are sound - based.

Answer:

A. A visual signal