It makes sure they are in perfect condition for it to go through the cell cycle easier
        
             
        
        
        
I’m not 100% sure if this is a scientific theory but I’m going with the big bang theory. The big bang theory is a scientist best guess on how the world came to be. A 2013 map of the background radiation left over from the Big Bang, taken by the ESA's Planck spacecraft, captured the oldest light in the universe. This information helps astronomers determine the age of the universe.
        
             
        
        
        
Lactobacillus is the answer for this question
        
                    
             
        
        
        
Answer:
wild animals collectively; the native fauna (and sometimes flora) of a region.
Explanation:
I hope this helped :)