| Zenography | Study of the planet jupiter | 
        
      | Zoiatrics | Veterinary surgery | 
        
      | Zooarchaeology | Study of animal remains of archaeological sites | 
        
      | Zoochemistry | Chemistry of animals | 
        
      | Zoogeography | Study of geographic distribution of animals | 
        
      | Zoogeology | Study of fossil animal remains | 
        
      | Zoology | Study of animals | 
        
      | Zoonomy | Animal physiology | 
        
      | Zoonosology | Study of animal diseases | 
        
      | Zoopathology | Study of animal diseases | 
        
      | Zoophysics | Physics of animal bodies | 
        
      | Zoophysiology | Study of physiology of animals | 
        
      | Zoophytology | Study of plant-like animals | 
        
      | Zoosemiotics | Study of animal communication | 
        
      | Zootaxy | Science of classifying animals | 
        
      | Zootechnics | Science of breeding animals | 
        
      | Zygology | Science of joining and fastening | 
        
      | Zymology | Science of fermentation | 
        
      | Zymurgy | Branch of chemistry dealing with brewing and distilling |