Explanation:
In general, tumors occur when cells divide and grow excessively in the body. Normally, the body controls cell growth and division. New cells are created to replace older ones or to perform new functions.
 
        
                    
             
        
        
        
Assuming this is supposed to be a multiple choice question- I think the correct answer would be “early onset of spring change in marine ecosystems” because it looks like the question is asking what it wouldn’t affect, and I’m sure if the people had to leave, that animals would’ve all had to leave as well!
        
                    
             
        
        
        
HIV directly attacks CD4 helper lymphocytes directly. (D)
        
                    
             
        
        
        
The answer is Start Codon.
        
             
        
        
        
1. “Research the problem” matches with “use reliable sources, talk to experts and take notes”
2. “Organize data” matches with “create charts or graphs to display the results”
3. “Design an experiment” matches with “set up a procedure for testing your ideas; including variables and controls”
4. “Hypothesis” matches with “must be testable and falsifiable” 
5. “Choose a problem” matches with “Come up with a question that can be answered”