Answer:
A) All know living things are up of one or more cells
Explanation:
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C) a system is a set of parts that function together as a whole
 
        
             
        
        
        
Answer:
d) The frequencies of the alleles for dark wing color in the moth population
changed.
 
        
                    
             
        
        
        
 the key element in the ecological concept of species is that individuals within a species can successfully interbreed and conceive healthy offspring