Answer: They contain DNA and RNA, they can exhibit a wide range of lifestyles, and they are essential to almost every ecosystem.
Explanation:
 
        
             
        
        
        
Answer:
there is male and female and the not good gender 3
Explanation:
 
        
                    
             
        
        
        
I think the answer to this is 2.
        
             
        
        
        
1. D) ball and socket 
2. B) finger and elbow
3. B) hypodermis, dermis, epidermis
4. C) sunscreen
5. D) two bones meeting at a joint