C. Cerebellum is your answer
        
                    
             
        
        
        
Answer:
Mastax
Explanation:
Rotifers have a small brain, located just above the mastax, from which a number of nerves extend throughout the body.
 
        
                    
             
        
        
        
Answer:
(look at the explanation below)
Explanation:
A condition caused by mutations in one or more genes is called a genetic disorder. In some cases, gene mutations are so severe that they prevent an embryo from surviving until birth. These changes occur in genes that are essential for development, and often disrupt the development of an embryo in its earliest stages.
 
        
             
        
        
        
If the earth did not rotate on its axis then the atmosphere would only circulate on its poles and the equator in a simple back and forth pattern.