Answer:
        Mutation rate is not a difference between a population showing exponential growth and a population showing logistic growth. Hope this helped :D
 
        
             
        
        
        
<span>potential energy
the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors.</span>
        
                    
             
        
        
        
I would not take my word on this but i do think that, that is TRUE.
        
                    
             
        
        
        
Answer:
The head got bigger and the face got smaller. Hope his helps. 
 
        
             
        
        
        
<span>There are other avenues to find the cure to diseases that do not involve exploiting fetuses.
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