Answer: Genetic engineering is manipulating or modication an organisms' dna or cells. 
Cloning is a great example of genetic engineering.
Explanation: it is important because it is use to produce medicine such as Insulin and other vaccines for dfferent diseases.
Hope this helped :)
 
        
             
        
        
        
It occurs polyuria. Polyuria is, in other words, to urinate a lot, abnormally. If the patient drinks enough water to compensate the loss of it by urination, then the outcome is not as severe. If the patient does not take enough water, dehydration and h<span>ypernatremia take place and blood pressure increases and several other complications.</span>
        
             
        
        
        
Answer:
the gas bladder in fishes as it can help them to maintain their buoyancy in water
 
        
             
        
        
        
Answer:
its A and D