Cardiac muscles is the answer
        
             
        
        
        
Answer:
1. short, single strands
Explanation:
Unlike DNA, RNA is single-stranded. A strand
 
        
             
        
        
        
Answer:
Acquired immunity is immunity you develop over your lifetime. It can come from: a vaccine. exposure to an infection or disease. another person's antibodies (infection-fighting immune cells
 
        
             
        
        
        
They compete by food source because they both eat bugs and there for compete on who gets the bugs.