Inside of plants, there are xylem cells that carry water and minerals from the roots, to the leaves, when the food then gets dispersed to the rest of the plant. This is similar to the human circulatory system but there isn't a heart pumping blood around. Hope this helps :)
        
                    
             
        
        
        
I believe it would be mesentery 
 
        
                    
             
        
        
        
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<u><em>The source of sunlight is the main source of energy and if there will be more sea weed trapping sunlight then there will be a competition between seaweed and coral reef. So, the natural reason for the decreased biodiversity is an overgrowth of the seaweed population which prevents the light from reaching the reef.
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Meiosis is divided into two stages. Homologous chromosomes align at the metaphase plate during Metaphase I, which is followed by Anaphase I, where they then separate to opposite poles.