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What is a primary motivation for aggression in dogs?

  1. Playfulness

  2. Defending against perceived threats

  3. Seeking companionship

  4. Curiosity

The correct answer is: Defending against perceived threats

A primary motivation for aggression in dogs is defending against perceived threats. This type of aggression typically arises when a dog feels its territory, resources, or safety is being challenged. The instinctual drive to protect oneself or its pack is deeply embedded in a dog's behavior. When a dog perceives a potential danger—whether from another animal, a person, or an unfamiliar environment—it may resort to aggressive behaviors as a means of self-defense. In contrast, playfulness often leads to more exuberant and friendly interactions, rather than aggression. Seeking companionship usually results in friendly behaviors aimed at socialization, and curiosity tends to encourage exploration rather than aggression. Therefore, when considering motivations for aggressive behavior, the protective instinct in response to perceived threats is the most relevant factor.