The independent variable is the type of food available.<span>The dependent variable is the frequency of each type of beak (or number of birds with each beak type)</span>
        
                    
             
        
        
        
Answer:
symbiotic
Explanation:
symbiotic relationships benefit both organisms 
 
        
             
        
        
        
The answer is Start Codon.
        
             
        
        
        
 
They are ectotherms.
hope it is helpful to you