One of the major problems of monoculture farming is the variety of species. If there are no varieties in the producer level in the food chain all other organisms within the ecosystem would be affected.
 
        
                    
             
        
        
        
True
You can’t skip any step; you need to do each step in order.
        
                    
             
        
        
        
Base on one of the Law of Thermodynamics, the amount of available energy decreases whenever energy is changed in form (which includes a transfer from one trophic level to another). So, as we go from the first trophic level to the top trophic level, the amount of available energy becomes less and less. 
        
                    
             
        
        
        
The repressor protein would not function properly, and the lacl opereon would be over expressed 
        
             
        
        
        
Answer:
A. Rivers
Explanation:
because most of the water comes from two big rivers