C.there is no relationship between metabolic rate and body temperature.
        
             
        
        
        
Answer:
The answer is D.) Mercury
 
        
                    
             
        
        
        
Answer:
DNA polymerases from human cells will denature under these conditions. 
Explanation:
Under the PCR conditions described, DNA polymerase from <em>T. aquaticus </em>would be more effective than DNA polymerase from human cells. This is due to the higher optimal temperature of DNA polymerase from <em>T. aquaticus. </em>
 
        
             
        
        
        
<span>After the third month of development, lanugo develops on the head (thin, first hair), the muscles and bones are formed an shaped, the mouth movement is possible, the liver and pancreas produce fluid secretions, meconium is made (stool of infant), reproductive organs are developed, but the baby's gender is difficult to distinguish on ultrasound.</span>
        
                    
             
        
        
        
Answer:
D fleas affect all animals