Isotonic Solutions are the best for animal cells
        
             
        
        
        
Gene mutations can be passed on to future generations and drive natural selection. ... Gene mutations can be helpful, harmful, or neutral for an organism's survival. Only mutations that are helpful in the organism's environment would influence its survival and reproduction
        
             
        
        
        
Idk somebody tell me plz and add me on snap makiyah_cute no adults add me only 12 and older ✌
        
             
        
        
        
Some Bio life has its own ways of surviving like animals will have more fur if they are in a cold area or Plants being able to survive in the cold