The bee who is enthralled by the pollen gets some of it stuck to itself and travels with the plants offspring which ensures the plants reproduction. The wind blows the seeds of the dandelion to far off places to ensure the reproduction of the dandelion. The squirrel who is storing acorns for the winter will eat some of them, but other acorns are forgotten which ensures the reproduction of the acorn tree's reproduction.
 
        
                    
             
        
        
        
The membrane bound organelle you refer to is the Lysosome. The lysosome fuses with a vacuole where  it digest the contents.
        
             
        
        
        
When  organisms mate without human interference, it is called natural selection.
        
             
        
        
        
Answer:
4
Explanation:
Because the mean time taken to turn from blue/black to orange/brown (in minutes) was the shortest, showing that the rate of reaction was the highest.