Evaluate the following statement: "Pheromones are chemicals used for communication between members of the same species."

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BlackTom AI · Accepted Answer

When evaluating statements about pheromones, it helps to unpack what pheromones are and how they function across species.
Option 1: 'False, because these chemicals are only used for communication between members of the same colony of honey bees.' This is incorrect because pheromones are not limited to honey bee colonies; many species use pheromones for social organization, mating, alarm, and other communications beyond a single colony or species.
Option 2: 'True, and they are used by many different insects, not only by honey bees.' This is accurate. Pheromones are chemical signals used for communication within a species, and a wide range of insects (and some other animals) rely on them for various behaviors, not just honey bees. The statement reflects the general and cross-species nature of pheromone signaling.
Option 3: 'False, because pheromones are not chemicals. They refer to physical structures found on the exoskeleton of insects.' This is incorrect on two counts: pheromones are indeed chemical signals, and they are not physical structures but volatile or detectable chemical compounds used for communication.
Option 4: 'False, because pheromones refer to chemicals used for communication between species as well.' This is misleading. Pheromones typically mediate communication within a species (conspecifics). When signals are designed to affect members of other species, those cues are often called allomones or kairomones, not pheromones. The statement in option 4 conflates intra- and interspecific communication and is not aligned with the standard definition of pheromones.

ENTOM2030/ENTOM2031 Post-Lecture 12 Quiz

Evaluate the following statement: "Pheromones are chemicals used for communication between members of the same species."

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