Answer:
 A trust me. 
Explanation:
are you functional adaption is an adaption that helps an organism survive in a certain environment, typically altered by a physical stimuli, dietary changes, or injury. 
 
        
                    
             
        
        
        
Early in mitosis, during prophase and prometaphase, the nucleus, nucleolus and nuclear envelope begin to dissolve in preparation for cell division. During telophase, which is the final stage in mitosis,, there is a reversal of effects of prophase and prometaphase; nucleus, nucleolus and nuclear envelope are again formed.
        
             
        
        
        
Answer:
They use them so that they can see what type of organisms live there. 
Explanation:
 
        
             
        
        
        
Hypertonic because isotonic is a normal solution and hypotonic means it goes into the cell