Sure.  Single-cell organisms include bacteria and hens' eggs.
        
                    
             
        
        
        
I would say different 
Like you like different genders
        
                    
             
        
        
        
The light reactions produce ATP and NADPH thet the Calvin cycle uses to convert CO2 into carbohydrate. The light reactions in the thylakoid membranes of the chloroplast,  and the reactions of the Calvin cycle take place in the stroma
        
             
        
        
        
Explanation:
Cave lions, sabre-toothed cats, cave bears, giant deer, woolly rhinoceroses, and woolly mammoths were prevailing species of the Quaternary period. Without the dinosaurs, plant life had an opportunity to flourish during the Cenozoic era.