Answer: If we kill all the organisms in one trophic level, then transfer of energy as well as matter to next higher level will stop. It will lead to over- population at one particular level causing amongst the individuals. This would seriously disturb the food chain and can cause the collapse of an ecosystem even.
 
        
                    
             
        
        
        
Kingdom Plantae includes all the plants on the earth. They are multicellular, eukaryotes and consist of a rigid structure that surrounds the cell membrane called the cell wall. Plants also have a green coloured pigment called chlorophyll that is quite important for photosynthesis.
        
             
        
        
        
It would grow about 3-5 inches per year. 
        
                    
             
        
        
        
The primary function of chloroplast is to carry out photosynthesis with the help of chlorophyll.