The answer would be D. 
Enzymes activity increases as the temperature increase so, therefore the answer would be D. 
but to be fair they all would work.
        
             
        
        
        
Protein function is directly related to the structure of that protein. A protein's specific shape determines its function. if the structure of the protein is altered because of a change in the structure of the amino acids, the protein becomes denatured and does not perform its function as expected.
 
        
                    
             
        
        
        
Answer:
Describes ecosystem homeostasis
Explanation:
 
        
             
        
        
        
Answer: C: Contain chloroplast that perform photosynthesis.
Explanation: Process of elimination deems C correct!