Because they can be differentiated to form insulin-producing cells
        
             
        
        
        
Answer:
A niche is a way that a population uses the living and nonliving resources of its habitat.
Explanation:
A niche is the role a population has in it's habitat, and the second option is the best one that matches.
 
        
             
        
        
        
Answer:
A
Explanation:
release of energy through the breakdown of glucose