Mice
Because it's eating energy from the plants
 
        
             
        
        
        
Answer:
.66666666667 
6 continues to repeat. 
fraction can be reduced to 2/3 
Use calculator or write out long hand 
 
        
             
        
        
        
Cell wall because their has to be something protecting it.
        
             
        
        
        
Glucose. <span>C6H12O6. Photosynthesis produces it and it is a reactant for cellular respiration.  </span>