______________ are chemical signals secreted into the environment that modify the behavior and physiology of other individuals.
A) Pheromones
B) Hormones
C) Neurotransmitters
D) Autocrine agents
E) Paracrine agents

Question

Quizplus · Accepted Answer

Pheromones are chemical signals secreted by individuals that affect the behavior and physiology of other individuals of the same species. Hormones, neurotransmitters, autocrine agents, and paracrine agents can also modify behavior and physiology, but they are not specifically defined as signals secreted into the environment.

______________ Are Chemical Signals Secreted into the Environment That Modify