Answer:
Variation traits and natural selection. 
Explanation: 
Darwin stated that all species of organisms arise and develop through natural selection and inheritance of variations 
In natural selection, survival was for the fittest. In order for an organism to survive . It had to develop new traits to adapt to its environment .
The variation increases its ability to compete, survive and reproduce. Through reproduction the desires trait is passed down making the organism to be considered fit.  
 
        
             
        
        
        
Answer:
An organism's genotyoe is its specific conbination of alleles for a given gene.
Explanation:
 
        
                    
             
        
        
        
organism, I believe. Good luck!
 
        
                    
             
        
        
        
Answer:
What are the statements the question is referring to?