What characteristic defines membership in the Family Canidae, which includes the Yorkie?

Answer

Adaptations for running over long distances, such as non-retractile claws

The Family Canidae, which includes the true dog family, is characterized by several shared traits inherited from their wild ancestry. While behavioral traits like pack loyalty are present, the defining physical characteristics mentioned include having long snouts, non-retractile claws, and adaptations geared toward endurance, specifically running over extended distances. This cursorial adaptation contrasts sharply with the modern lifestyle of a small companion breed like the Yorkie. Sharing this family classification means the Yorkie possesses the underlying skeletal and physiological structures designed for sustained movement, a trait common across wolves, foxes, and jackals within Canidae.

What characteristic defines membership in the Family Canidae, which includes the Yorkie?

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animalclassificationDogbreedYorkshire Terrier