All of the above- 1, 2, and 3 These introduce variation into the chromosome or into the zygote and create cells and offspring unique from the parents.
        
             
        
        
        
The movement of water molecules in and out of a cell is called osmosis. 
Osmosis, or the diffusion of water molecules, is when water molecules flow in or out of a cell from high to low concentrations (down their concentration gradient). The ultimate goal of osmosis is to establish equilibrium between the cell and its outer environment. 
Hope this helps!
 
        
                    
             
        
        
        
Answer:
1.You can identify a fossil by determining it's age by comparing it to similar fossils.
2. You can measure the decay of isotopes within the fossil
Explanation:
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<span>The nurse begins intermittent oral feedings for a small-for-gestational-age newborn to prevent Hypoglycemia.</span>