The process is called homeostasis.
        
             
        
        
        
Answer:
I believe that it is D.
Explanation:
If ice caps are melting, and polar bears use the ice flows to get their food, then the polar bears can't use the ice to get food. so, the polar bears most likely are expanding their diets to adapt to their surroundings. So, polar bears are probably moving off the sea ice and eating other foods.
 
        
             
        
        
        
Answer:
Mitochondria
Explanation:
its the powerhouse of the cell ;)
just messing with you. But in reality, the mitochondria converts food to energy in the cell.