They are different because desert animals live wear its dry and the animals in the rainforest live in a wet place and sun badly show. hope this helps.
        
             
        
        
        
The enzymatic breakdown of large molecules into their basic building blocks is <u>Mechanical Digestion </u>. 
 
        
             
        
        
        
 <span>No they don't,they have to work together for an organ to function.</span>
        
                    
             
        
        
        
Producers because they make their own food such as plants..