Answer:
By identifying the bones as being homologous structures and by proposing that humans, bats, and dolphins share a common ancestor.
Explanation:
 
        
             
        
        
        
Answer:
Activated
Explanation:
In the presence of lactose, and in the absence of glucose, lactose will bind to a protein called a "repressor," deactivating it. Through this, RNA polymerase has a free way to synthesize the mRNA that will give enzymes for lactose degradation.
 
        
                    
             
        
        
        
I believe the correct response would be C. Plants acquire carbohydrates by producing them through the process of photosynthesis. This allows plants to then use the formed carbohydrates to build structural polymers, such as cellulose.
        
             
        
        
        
Answer:
This particular organism lives in an environment that is rich in organic material, particularly amino acids and proteins. Also the organism has low amount of amino acid biosynthesizing genes and relatively higher amount of peptide transporters. 
 
        
                    
             
        
        
        
Mitpchondria, I hope I helped,Can I have brainliest!