Answer:
Cells provide the necessary structural support for an organism.
P.s you should link or photograph the model
 
        
             
        
        
        
The physiological process occurring in the muscle cells that account for the gradual onset of muscle fatigue is called anaerobic the body is breaking down oxygen after than it can get in.
        
             
        
        
        
The seasons by the ocean are less extreme than inland areas.
 
        
                    
             
        
        
        
C. amnion 
if you need explanation lmk
        
             
        
        
        
 Biology answers many questions<span>, </span>but its main focus is<span> how living organisms interact and function.
hope it helped give thanks :)
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