The answer is C) Increase genetic variation and breed plants to contain the wild variety.
 
        
             
        
        
        
<span>This organelle is the nucleolus.
The nucleolus is made of proteins, DNA, and RNA. They form around specific regions of the chromosomes called nucleolar organizing regions. These regions of the chromosomes contain some the genes needed for ribosome production.</span>
        
                    
             
        
        
        
Answer:
it affects the hardness of the shells because calcium has a high reactivity which causes the shell to be hard
Explanation:
 
        
             
        
        
        
Answer:
Chloroplast, structure within the cells of plants and green algae that is the site of photosynthesis, the process by which light energy is converted to chemical energy, resulting in the production of oxygen and energy-rich organic compounds
 
        
                    
             
        
        
        
Answer:
don't do that please stop