The cardiovascular system transports oxygen and nutrients to the cells and transports waste away from the cells
        
             
        
        
        
Answer:
Susceptible to same diseases.
Explanation:
I just answered something along these lines. 
 
        
             
        
        
        
Answer:
birch
Explanation:
because they easily germinate hence early succession
 
        
                    
             
        
        
        
D.by causing a change in the protein that forms during translation