B1, B2 and B3


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1. Which of these is an occasion when energy will be transferred?

  • When an organism is eaten
  • When an organism excretes
  • When an organism respires
  • When an organism dies
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2. Which of these doesn't cause extinction?

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

3. Which of these doesn't put carbon into the atmosphere?

  • Respiration
  • Volcanic activity
  • Photosynthesis
  • Combustion

4. What is an example of a functional protein?

  • Amylase
  • Collagen
  • Insulin
  • Haemoglobin

5. Which of these is not a factor that can cause heart disease?

  • Diet
  • Stress
  • Height
  • Weight


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