Answer:
Fungi
Explanation:
Fungi are multicellular,with a cell wall, organelles including a nucleus, but no chloroplasts. 
 
        
                    
             
        
        
        
Viruses are made up of DNA
        
                    
             
        
        
        
Answer:
Sexual reproduction.
Explanation:
Like most mammals, giraffes produce sexually, meaning that both parents contribute to the DNA of the offspring.
 
        
             
        
        
        
Answer:
It takes up carbon through physical and biological processes at the ocean surface, carbon dioxide from the atmosphere dessolves in the water