True Dna is a specialized carbohydrate contained within cells.
        
             
        
        
        
The correct answer is eukaryotic cells.
Microscopic subunits within the cell represent the organelles found only in complex eukaryotic cell. The communication between those organelles via signal molecules are also a good example of the functioning of eukaryotic cell.
Eukaryotic cell is a cell that contains a nucleus and organelles, and is enclosed by a plasma membrane.
 
        
             
        
        
        
LOWER  is the answer 
I hope this help
        
                    
             
        
        
        
Answer:
it's the sun
Explanation:
the water cycle is driven primarily by the energy from the sun