Which one does not belong the terminal hair vellus hair dark coarse hair or eyebrow hair?

Vellus hair does not belong, as it is fine and short, while terminal hair, dark coarse hair, and eyebrow hair are typically thicker and longer. Terminal hair is the category that includes coarser hair types, while eyebrow hair is a specific example of terminal hair. Vellus hair serves a different purpose and is found in areas where terminal hair does not typically grow.