Ecology is how nature works and flows, without it everything would be messed up, such as food chains and how people would be ranked on natures list.
        
                    
             
        
        
        
Answer:
 Control is a group generall very important in an experiment because it allows you to eliminate and isolate these variables.
 
        
                    
             
        
        
        
Answer:
E all of these are kingdoms
Explanation:
they just are? I dunno how to "explain" a yes or no thing. 
 
        
             
        
        
        
Answer:
tissue in body
Explanation:
they are tissues in the body