Sugar is needed for scientists to grow plants
        
             
        
        
        
Skin muscle etc.yk look it up too :()
        
             
        
        
        
One such example of flowers which smells like rotten meat are- Carrion flowers or corpse flowers. The pollinators for these flowers are mostly <u>beetles and flies</u>. The mode of pollen transfer is by trapping these insects and allowing the pollens to stick to the body of the insects, before they leave the flower. But this happens in some of the species only. 
<u>Answer: Beetles and flies</u>.