Other questions in this quiz

2. Which of these doesn't cause extinction?

  • A change in the food web
  • Diseases
  • Mutations in body cells
  • Human activity

3. What does homozygous mean?

  • The two alleles are the same
  • The two alleles are different
  • There are two alleles
  • All of your alleles are the same

4. How do viruses cause disease?

  • By making copies of themselves
  • By hijacking cells
  • By acting like body cells
  • By making toxins

5. What is a species?

  • A group of organisms that live in the same environment
  • A group of organisms that can successfully breed together
  • A group of organisms that can breed together to create fertile offspring
  • A group of organisms that look similar


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