Answer:
Boats must be cleaned after getting out of the water to ensure there arent any on the sides of the boat before entering another body of water. 
Explanation:
 
        
             
        
        
        
Answer:   The most common way to regulate gene expression is at the transcription.
Explanation:
thats all I know
 
        
             
        
        
        
Keratinized, <span>stratified columnar, </span>
        
             
        
        
        
Answer:
I believe intestine. 
Explanation:
since tapeworms resides in intestine
 
        
             
        
        
        
Answer:
C.Fewer differences in the amino acid sequencing of a protein show a greater evolutionary relatedness.
Explanation:
Since there are less differences it indicates that they are more related.