Question

Pheromones are chemicals that are used in animals for

• A. Sex attractants
• B. Sending alarm signals
• C. Marking trails
• D. All of the above

Answer 1

The correct option is D All of the above

• Pheromone is a chemical that an animal produces which changes the behavior of another animal of the same species.
• Some describe pheromones as behavior-altering agents.
• Many people do not know that pheromones trigger other behaviors in the animal of the same species, apart from sexual behavior. Hence, Pheromones are chemicals that are used in animals as sex attractants, sending alarm signals and Marking trails.

So, the correct answer is 'all the above'.