Bioaccumulation is the accumulation of substances, such as pesticides, or other chemicals in an organism
        
             
        
        
        
i think it is D, she has already constructed the hypothesis and needs is performing the experiment. there is not much of an observation stage because she is looking at a distant end result in a set time frame.
 
        
                    
             
        
        
        
"When there are multiple mutations in a gene" is the one among the following choices given in the question that <span>is a mutated gene most likely to be passed along to offspring over several generations. The correct option among all the options that are given in the question is the second option or option "B".</span>
        
             
        
        
        
Answer:
the composition of a population gene can change over time through evolution 
Explanation:
 Nature selects