Which Statement Is True

Multiple Choice

Which statement is true?

A) Nonhuman animal communication differs from human communication because unlike humans, nonhuman animals do not practice deception.
B) Clarity of communication decreases as the number of sensory modalities increases.
C) Auditory signals are more efficient than visual signals in a structurally complex environment.
D) Pheromonal signals are very limited in terms of how much information they can provide about the signaler.
E) Most predators have difficulty intercepting visual signals.