Answer:
C, Both parents have the blue-eyed gene.
 
        
             
        
        
        
Answer:
They may change due to environmental changes. for example, if a cactus suddenly experiences a drought, it may change to become better at holding water than before. if it suddenly experiences large amounts of rainfall, it may change to release more water, etc. 
 
        
             
        
        
        
Genes and the environment can affect an organisms traits
        
                    
             
        
        
        
This movement from a high concentration area to a low concentration are is called Active transport.
<h3>Active Transport</h3>
Active transport by definition is a process that is characterized by the movement of molecules against a concentration gradient. Additionally, this process requires energy. 
As in the question above, glucose molecules have to be moved across the gut lumen of higher glucose concentration to the intestinal cells of relatively low level of glucose. 
Read more on active transport;
brainly.com/question/18489506
 
        
             
        
        
        
a polymer bcz it contains more than 10 residues and all others are single residues.