Answer; 
glucose
Explanation:
glucose is a by-product of photosynthesis. Green plants contain chlorophyl that traps light energy that is used to manufacture food for plants(glucose). the organic compound contains stored energy in form of ATP(Adenosine Tri-Phosphate)
 
        
             
        
        
        
Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. ... The nitrogen is passed through the food chain by animals that consume the plants, and then released into the soil by decomposer bacteria when they die.
 
        
             
        
        
        
Answer:
They Dissolved / became a compound  
Explanation:
 
        
             
        
        
        
An organism that lives in or on another organism and gets its food from or at the expense of its host