Some times the purp is someone u least expect
        
             
        
        
        
C. The cell took in another ancient prokaryotic cell, which began living inside it.
        
             
        
        
        
Answer:
(VEE-nuh KAY-vuh) A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest.
 
        
                    
             
        
        
        
Answer:
The six most important characteristics of a civilization are cities, government, religion, social structure, writing, and arts and architecture.
Explanation: