Pheromones are chemical substances secreted outside of the body by individuals of a species, which have an effect on the behavior or physiology of other members of the same species. They can be used for a variety of purposes such as marking territory, attracting mates or warning of danger. Options B, C, and D are incorrect as they refer to other types of chemicals used for different purposes.

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Pheromones Are

Question 54

Multiple Choice

Pheromones are

A) biochemicals secreted outside of the body.
B) hormones secreted into the bloodstream.
C) chemicals used to castrate sex offenders.
D) chemicals used to neuter animals.

Correct Answer: