<span>Energy must constantly flow through an ecosystem for the system to remain stable.</span> it means that organisms must eat other organisms
        
                    
             
        
        
        
If think about it if it was asexual then it came from 1 parent so it would be W
        
                    
             
        
        
        
I think it’s option B
I hope it helps you
        
             
        
        
        
I believe proteins would be the correct answer, but of course I just learnt this stuff 2 weeks ago. xD
        
                    
             
        
        
        
Answer:
Phosphodiester bonds:"It is a co-v-a-l-e-n-t bond in which a phosphate group joins adjacent carbons through ester linkages."
-  The 3’-end has a free hydroxyl group at the 3’-carbon of a sugar, and the 5’end has a free hydroxyl group or phosphate group at the 5’-carbon of a sugar.
Explanation:
Option- E: Is The best option to Choose from. 
 The phosphodiester bond links a 3' carbon to a 5' carbon in DNA and RNA.