Because in winter 1 habitat might get too cold so the bird might have to move to a warmer habitat in winter
        
             
        
        
        
Thanks for the question,
To classify organisms, scientists use similarities and variations among species. typically these variations area unit simple to ascertain, like whether or not associate animal has fur, feathers, or scales. There area unit seven main assortment ranks: kingdom, phylum or division, class, order, family, genus, species.
<h3>Hope it helps!</h3>
 
 
        
                    
             
        
        
        
Answer:
C. Under the age of 20
Explanation:
Look at the graph and find what letter the male's bar is larger than the female's. You can see that it's letter B. Then, look at the legend and find what ages lay under letter B. It is C., under the age of 20.
Please mark me as Brainliest; I need it to move onto the next level! =)
 
        
             
        
        
        
Not sure but I think the answer is D because D for DIS N ya that’s what I think
        
             
        
        
        
Answer:
The answer is C.
Explanation:
At first, an enzymes called Helicase unwind the double helix in a DNA .