The answer is the first choice: Blue Eyes. 
Polygenic traits are those controlled by two or more genes (hence the name "poly" in the term). Other examples would be skin color and height. 
Hope this helps! :)
        
             
        
        
        
Energy. A solute can only move against concentration gradients using active transport which requires energy
        
             
        
        
        
Because they are made to perform two different functions. Cells are part of tissues that are part of organs that perform a certain function. For example, your bone cells are made to make blood cells, so they wouldn’t be in your lungs as well.