Answer:
Since they need to float, leaves on the surface of plants are flat. 6. The presence of air sacs enables them to float. Their roots are smaller so water can spread freely and directly into the leaves
 
        
             
        
        
        
They are descended from wild plants.
        
                    
             
        
        
        
The probability of a crossover occurring between two particular genes on the same chromosome increases as the distance between those
        
             
        
        
        
Answer:
aquatic plants are water lily
 
        
             
        
        
        
The long arm of a chromosome