Other questions in this quiz

2. what happens to useful mutations?

  • they are passed on throughout population
  • they are passed to the fish population
  • they are destroyed
  • they are used in a vaccination

3. what is the theory of evolution based on?

  • birds
  • tectonic plates
  • fossil record
  • sand

4. what are the causes of variation?

  • genetic and environmental
  • genetic and economic
  • environmental and bacteria
  • respiration and genetics

5. when do mutations occur?

  • as cells respire
  • when bacteria is added
  • as DNA is copied in the production of new cells
  • when hulk gets angry

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