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6. What can substances move by?

  • Diffusion, osmosis and active transport
  • Diffusion and osmosis
  • Active transport

7. What do all life processes need before they can happen?

  • Gases or other dissolved substances like CO2 and H2O which are needed for photosyntesis
  • Only gases like CO2 and H2O
  • Nothing

8. What is osmosis?

  • The movement of water molecule through a partially permeable membrane from an area of high concentration to an area of low concentration
  • The movement of water molecule through a partially permeable membrane from an area of low concentration to an area of high concentration