Table 1 Questions included in the pre- and post-experiment questionnaire

1. Mutation means the changes in DNA sequences of individuals

2. Mutation means speciation

3. There are DNA changes that do not affect the phenotype

4. DNA alterations are needed to cause genetic diversity

5. DNA alterations can cause phenotypic variations

6. DNA alterations are necessary for the evolution by natural selection

7. DNA alterations are necessary for speciation

8. DNA alterations are needed to cause species diversity