Answer:
The stomach produces hydrochloric acid.It kills many harmful microorganisms that might have been swallowed along with the food.The enzymes work best in acidic conditions-at low pH
 
        
             
        
        
        
It is called ACCOMMODATION. Accommodation refers to the mechanism by which the eye adjusts his optical power in order to focus properly on an object as the distance of the object varies. To achieve this, the shape of the lens has to be adjusted appropriately. 
        
             
        
        
        
Answer:
Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
 
        
                    
             
        
        
        
It is Convergent evolution
        
             
        
        
        
<span>The biological term for such organisms is "deuterostomes". Those who's first opening is the mouth are called protostomes.
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