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6. Diffusion

  • The movement of particles from high to low concentration using energy
  • The passive overall movement of particles from high to low concentration
  • The passive overall movement of particles from low to high concentration
  • The movement of particles from low to high concentration using energy

7. Classification

  • Organising people into groups
  • Organising bacteria
  • Organising organisms into groups
  • Organising people in terms of wealth

8. Photosynthesis

  • Converting oxygen to carbon dioxide
  • Using light to produce proteins
  • A series of chemical reactions that use energy from sunlight to produce food
  • Converting carbon dioxide to oxygen

9. Enzymes

  • Proteins that speed up reactions
  • Proteins needed for cell division
  • Proteins that slow down reactions
  • The instructions to make proteins

10. Homeostasis

  • A constantly changing environment
  • Keeping the same state of matter
  • Maintaining a constant internal environment
  • Staying in the same place