According to Kinsey's sexual behavior study, approximately 21 percent of men and  6 percent of women had sexual intercourse by the age of 16. (Please mark me brainliest! thank you in advance!!)
 
        
             
        
        
        
<span>Prokaryotic cells reproduce by</span> binary fission , which includes the chromosomes splitting into two equal parts.
        
             
        
        
        
Answer:
I would go with B: 
The body must maintain homeostasis so that the internal environment stays the same if the outside