Prokaryotic cells lack a nucleus.
 
        
                    
             
        
        
        
The answer is D.rainforest. it is a very complex ecosystem with variety of plants and animals.
        
                    
             
        
        
        
Answers 
1. True 
2. True 
3. True 
4. True 
5. True
        
                    
             
        
        
        
Answer:
Villi
Explanation:
In the small intestine, villi are found present. These villi which appear like a finger-like tissue structure are about 0.5–1.6mm in length in human beings.They have mucosal cells that help in absorption of nutrients. A villus has several microvilli, which increases the surface area of the intestinal wall for faster absorption of nutrients.
 
        
             
        
        
        
Natural disasters because they are all natural