Both of them have a shell with a living organisms with the valves and they both are form somewhere different
        
             
        
        
        
Explanation:
Cells function better at smaller units because if each cell had more areas in the body to take care of, they would need to do more hard work then they already do. Also, if we got scraped, we would lose less small cells then bigger cells. I hope this helped you!
 
        
             
        
        
        
Answer: 
If the number of atoms stays the same no matter how they are rearranged, then their total weight stays the same.
In all physical and chemical changes, the total number of atoms remains the same, hence when substances interact with one another, combine or break apart, the total weight of the system remains the same
 
        
             
        
        
        
<span>Carrie proteins.................... sorry you have to have a minimum of 20 characters;)</span>