So planarians' regenerative ability are powerful cells called pluripotent stem cells, which make up one-fifth of their bodies and can grow into every new body part. I hope this helped if you need more info about this let me know
        
             
        
        
        
Cell memory ma dood :))))
        
                    
             
        
        
        
Bc of the lava the slowly it dries the more of the composite volcano gets bigger and the faster it dries will get it's layered interior
        
                    
             
        
        
        
Answer:
Cell
Explanation:
A cell is the smallest unit of a living thing.