The advantage to a species of using a pheromone for communication rather than calling or gesturing is that it _____.
A) conveys more information
B) is more easily understood
C) is more energy efficient
D) is more variable
E) conveys immediate information

Question

The advantage to a species of using a pheromone for communication rather than calling or gesturing is that it _____.  
A) conveys more information
B) is more easily understood
C) is more energy efficient
D) is more variable
E) conveys immediate information

Quizplus · Accepted Answer

Using pheromones for communication is more energy efficient than calling or gesturing because it does not require the physical exertion or sound production necessary for those methods.

The Advantage to a Species of Using a Pheromone for Communication