To prevent false identifications during lineups, the police officers should tell the witnesses that the lineup may not include the suspect. The eyewitness identifications are subject to a high rate of error because witnesses are subject to high stress or anxiety, the human memory tends to reconstruct incidents because humans do not have the capability to record memories like a video recorder; witnesses often focus on weapons, and not the identification of the perpetrator, among other reason. 
        
             
        
        
        
Fungi are a kind of decomposers.
If there were no fungi, the ecosystem would not exist, and dead organisms would also pile up because there were no decomposers any more.
        
             
        
        
        
They use their skin to do gas exchange
        
                    
             
        
        
        
  Mendel was the first person to succeed in predicting how traits are inherited from generation to generation.