<span>Yes, if the photo receptor cells and simple eyes that preceded it were useful to the animals in which they arose.</span>
        
                    
             
        
        
        
Answer: black (graphite), transparent (diamond)
Explanation:
 
        
                    
             
        
        
        
The answer is cotton. It is natural because it is grown and easily woven in to clothes :)
        
             
        
        
        
Its called <span>Heterozygous</span>
        
             
        
        
        
It's C! It changes as new evidence is found.