Answer:
They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars 
Explanation:
 
        
             
        
        
        
Answer:
an organism with nutritional requirements 
Explanation:
 
        
                    
             
        
        
        
Biotic factors include plants, animals, fungi, algae, and bacteria so the only answer would be invasive species
        
                    
             
        
        
        
Radiation. Have a nice day.
        
             
        
        
        
Answer:
James Watson and Francis Crick were the first to discover the structure of DNA in the 1950s