I believe the answer is DNA
        
             
        
        
        
Grams would be the correct answer hope this helps!
        
             
        
        
        
Answer:
c. parasite
Explanation:
the barnacle benefits from the host while the host is harmed from the barnacle 
 
        
             
        
        
        
1.true 2.false 3.the diffusion of water across a membrane 4.Rr
        
             
        
        
        
The telescopic was really different but also unic the teliscop could brak if u drrop it ones but it looked difrent to