The answer is D. Nighttime
        
             
        
        
        
I would say that you would need to see what the environment around the area is. and what kinds of animals would be out of homes.<span />
        
             
        
        
        
Answer:
 on bird beaks?
Explanation:
I do know that the bird's beaks that they are born with will in time evolutionize their beaks size and strength to prey on the type of fish for food over time.
Hope I'm making sense...good luck.