Consumers because scavengers hunt for food b
        
             
        
        
        
A, An ancestor of whales had legs. Hope i helped! :D
        
             
        
        
        
Answer:
Enzymes allow many chemical reactions to occur within the homeostasis constraints of a living system. Enzymes function as organic catalysts. A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions.
Explanation:
I believe this is correct, if not let me know and I will fix it. I'm sorry in advance if it is incorrect.
 
        
                    
             
        
        
        
Answer:
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Explanation:
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