The abdominopelvic is composed of the abdominal cavity and the pelvic cavity. This cavity contains the organs such as liver, stomach, spleen, gallbladder, pancreas, kidney and most of the intestines along with the internal reproductive organs and urinary tract. The navel is located in the umbilical region of the abdominopelvic cavity.
Hence, the blank can be filled with 'umbilical region'.
 
        
             
        
        
        
The skin is cooled through evaporation.
        
             
        
        
        
Answer: Fitness or camouflage 
Explanation: C and D don’t make any sense
        
                    
             
        
        
        
<span>No. Because the hawk and owl hunt similar prey but occupy different ecological niches.</span>
        
             
        
        
        
Answer:
The villi in the small intestine provide a large surface area with an extensive network of blood capillaries. This makes the villi well adapted to absorb the products of digestion by diffusion and active transport.
Explanation: