The Mitochondria in many cells, are believed to have been bacteria that have been incorporated in the cytophysiology. Mitochondria first off, contain their own DNA, er, RNA. Additionally physiologically the mitochondrion, has an inner membrane and some organelle traits similar to prokaryotic cells. Lastly Mitochondria are the only organelle capable of replicating itself. <span />
        
             
        
        
        
Answer:
I think its d or b but I am not sure learned this last year
 
        
             
        
        
        
Answer:
they need to be able to maintain their salt content, thru osmoregulation
 
        
             
        
        
        
Answer:
If all the fish died the algae population would gro due to not being eaten by the fish
Explanation:
 
        
             
        
        
        
"D: A new gene, which codes for the protein that can repair defective genes, is introduced."
Explanation: <span>Gene therapy is an experimental technique that uses genes to treat or prevent disease. In the future, this technique may allow doctors to treat a disorder by inserting a gene into a patient’s cells instead of using drugs or surgery.</span>