Answer:
Cell
Explanation:
A cell is the smallest unit of a living thing.
 
        
                    
             
        
        
        
Remain calm
Swim with the current 
Draw attention ( if she does not now how to swim)
        
                    
             
        
        
        
Answer:
A. It would help the ecosystem become more stable.
Explanation:
With greater biodiversity, the ability of the ecosystem to recover after any catastrophic event becomes greater, which makes the overall health of the ecosystem better.
 
        
                    
             
        
        
        
Answer:lack of blood flow and blood concentration 
Explanation:
 
        
             
        
        
        
A is the correct answer I belive