I would say B because c and d would decrease competition and a would do the same, or just kill the ecosystem.
Hope this helps and don't forget to hit that heart :)
 
        
             
        
        
        
Decomposition,because 1 breaks down into 2
        
                    
             
        
        
        
Answer:
the answer to this is O hypothesis
 
        
             
        
        
        
Glycolysis--The breakdown of a glucose molecule into two three-carbon pieces called pyruvate. You will notice that very little ATP is produced in this step and no oxygen is required. ... This step is also where other molecules besides glucose may be fed into the cell respiration<span> process, especially lipids.</span>
        
                    
             
        
        
        
Answer: the cell will absorb more water which can lead to haemolysis (rising and bursting of the cell) 
Explanation: