Well those that are in that ecostems could died from no water or the could walk on it and it breaks
        
             
        
        
        
The term used to describe the organisms overall attempt at maintaining balance or equilibrium of it's internal environment is called Homeostasis. 
        
             
        
        
        
Answer:
Iron deficiency anemia is a common type of anemia — a condition in which blood lacks adequate healthy red blood cells. Red blood cells carry oxygen to the body's tissues. As the name implies, iron deficiency anemia is due to insufficient iron.
The most common cause of anemia is low levels of iron in the body. This type of anemia is called iron-deficiency anemia. Your body needs a certain amount of iron to make hemoglobin, the substance that moves oxygen throughout your body
I think its anemia
 
        
                    
             
        
        
        
The answer is C, a hererotroph !