What are the chemical signals that act between two individuals of the same species?
A) Pheromones
B) First messenger
C) Second messenger
D) Growth factors
E) None of these are chemical signals that communicate between two individuals of the same species.

Question

Quizplus · Accepted Answer

Pheromones are the chemical signals that act between two individuals of the same species. First and second messengers are a type of chemical signal that binds to receptor cells and causes the enzyme cascade to occur. Growth factors are types of hormones that promote cell division.

What Are the Chemical Signals That Act Between Two Individuals