During meiosis, chromosome pairs randomly line up along each side of the cell equator. This arrangement mixes up the chromosomal combinations, which  
 A.	helps ensure reproductive success.  
 B.	helps create and maintain genetic diversity.
 C.	helps maintain all of the previous generation's characteristics.
 D.	helps ensure an equal number of males and females in the next generation.
 
        
             
        
        
        
Answer:
Root hair cells are alive and therefore need energy, which is why root hair cells contain many mitochondria in them. Root hair cells don't contain chloroplasts. Chloroplasts are used by the plant to make food using light energy. Since the roots aren't exposed to any form of light, they have no need for chloroplasts.
 
        
             
        
        
        
Explanation:
In digestion, the liver is involved in processing the nutrients that are absorbed from the small intestine. It helps in the digestion of fat. 
On the other hand, the liver maintains homeostasis by serving an important function in the excretory system.
 
        
             
        
        
        
everything except for the carrots, trees and the ocean picture of algae is under heterotrophs