Related Clues:

• Biology classes
• Does a laundry job
• Biological groupings
• Separates meaningfully
• Cattle markings
• 'It takes all ___'
• Does some keyboarding
• Family subgroups
• Family divisions
• "It takes all ___"
• Organizes, in a way
• Works on a keyboard
• Varieties or types
• Arranges in piles
• Goes through, as laundry