You are presented with the question "What is essential for evolution to occur?" and the following answer choices: 
- human interference
 - constant DNA information
 - biological diversity
 - the environment
 - converting mass to energy
 - changes in DNA information
 - Plant reproduction
 - unchanged DNA information

Now knowing that mutations are essential for evolution to occur and mutations are changes in the DNA information, choose the best answer.


 

      changes in DNA information   