B.Grass, cause without grass there wouldn't be any field mouse and without field mouse there wouldn't be any corn snake and without any corn snake there wouldn't be any hawks
 Hope i Helped ^_^
        
                    
             
        
        
        
Answer:
they have to remain small because nutrients go around faster around the cell then bigger cells
Explanation:
hopefully i explained it well
 
        
             
        
        
        
I feel dead……………zzzzzzzzzz
        
             
        
        
        
Answer :<em> That trough time, a specie of animal, plant, bacteria can change.
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<em>When a life form reproduces, one of its"babies" may be different from its parents because of genetic mutation. </em>
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