<span>The reason is that there are a number of processes which are being carried out by the living organisms and they include the application of diffusion.   ;)</span>
        
             
        
        
        
Answer:
According to the oxford dictionary genetics is 
the scientific study of the ways in which different characteristics are passed from each generation of living things.
 
        
             
        
        
        
 Due to natural selection in finding a mate, t<span>he </span>color<span> of the </span>dewlap would start to lighten slightly in order also to <span>adapt to their surroundings.</span>