The correct option to this question will be 'C' i.e., Gorilla Gorilla.
As the number of Differences of the amino acids representing for the beta-haemoglobin is less than other 5 species from humans, so we can say that Gorilla is closely related on the basis of molecular data given in the question. The beta Haemoglobin Gene is responsible for coding a protein which is called beta-globin. Each cell present in humans contains two genes of beta-globin.
 
        
             
        
        
        
Compare: Estimate, measure, or note the similarity or dissimilarity between. 
Contrast: Compare in such a way as to emphasize differences.
Therefore, to contrast is to compare. They mean the same thing. So, just write the differences and similarities between the two texts and you should be fine. It doesn't matter what subject or topic it is, just stick to the guidelines,and you should be good. have a nice day =D
 
        
             
        
        
            
            
                sun, salmon, maple trees, bears, plankton, whales, grass, cows, humans, shrimp, caterpillars, finches (small birds), hawks 
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Yes, they are all living things that exist in our world.