What characteristic defines the Poodle’s classification within the Class Mammalia?
Answer
Warm-blooded nature, presence of fur, and nursing young with milk.
The classification of the Poodle into the Class Mammalia is based on several defining biological characteristics common to all mammals. These include maintaining a warm-blooded state, meaning they regulate their internal body temperature independent of the external environment; possessing fur or hair, which is evident even in the specialized Poodle coat; and the nurturing of their young via lactation, specifically nursing them with milk produced by mammary glands. While possessing a backbone (Chordata) is a prerequisite, the Class Mammalia designation is specifically defined by these three physiological traits.

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