Option C. Organisms were probably more complex during past eras.
        
             
        
        
        
Conjugation - this is when bacteria exchange genes among each other. Sexual reproduction is when genes from the male and female are fused to create a new diverse zygote. Bacteria can do a similar process by conjugation.<span />
        
                    
             
        
        
        
The correct answer is b, photosynthesis.
        
             
        
        
        
Answer:
I am not sure what you are asking????
Explanation:
if it is multiply choice  then I would c and e