The answer would be <span>insulin-dependent diabetes mellitus.</span>
        
             
        
        
        
The answer is external stimulus 
        
                    
             
        
        
        
The fact that species are becoming immune through natural selection being passed down generations
        
             
        
        
        
Answer:
so that the genetic variations are not directly exact
Explanation:
 
        
             
        
        
        
For one thing based off of process of elimination we know that both plant and animal cells have a cell membrane, and a nucleus. Therefore we are left with cytoplasm and cell wall. According to the question we are most likely looking for something in the animal or plant cell that they don’t have in common with each other. Therefore, the answer is cell wall because an animal cell doesn’t have a cell wall, but a plant cell does. The cell wall can also make it more rigid!