Chemical Signals That Convey Information Among Members of a Species

Question

Chemical signals that convey information among members of a species are known as  
A) hormones.
B) pheromones.
C) acoustical signals.
D) threat signals.
E) auditory signal.

Accepted Answer

Chemical signals that convey information among members of a species are known as pheromones. Hormones are chemical messengers that travel through the bloodstream and have effects on target cells throughout the body. Acoustical signals and auditory signals are types of communication that involve sound. Threat signals could refer to any variety of signals used to indicate danger or aggression.