Answer:
there are four trophic levels first are producers then primary  consumers then secondary consumers then teritary consumers
Explanation:
grass - grasshopper - frog - snake - eagle is a simple food chain
 
        
                    
             
        
        
        
The abdominal cavity is the answer you are looking for.
        
             
        
        
        
i think it is b becuase it gives a lot of infor mation 
 
        
             
        
        
        
Answer:
Evaporation is the process which allow water molecules to move between lakes and the atmosphere. 
Explanation: 
Evaporation is a process in which water which is present in liquid form in lakes and ocean evaporated in the form of water vapours. These vapours goes upward and form clouds which moves toward hilly areas with the help of wind. The water present in the clouds come back to the land in the form of rainfall and snowfall. This water flows through the streams and collected in the rivers again and repeat this process. 
 
        
             
        
        
        
Answer:
Earthquakes and Volcano activity
Explanation:
........................