Other questions in this quiz

2. Which has a protein outer coat instead of a cell wall?

  • Virus
  • Yeast
  • Bacteria

3. What are all living organisms composed of?

  • One or more cells
  • One cell
  • Millions of cells
  • Atoms

4. What are the smallest forms of life? (so simple it's uncertain as to whether they are living things)

  • Cells
  • Bacteria
  • Viruses
  • Yeasts

5. What is thought to be the earliest forms of life?

  • Viruses
  • Mirco-organisms
  • Yeasts
  • Bacteria
  • Cells

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