Biology 0610 · IGCSE · Energy flow

Energy flow — practice question

Which row shows the way energy passes through a biological system?

  • Aentering a biological system: chemical; transferred between organisms in a biological system: heat; transferred from a biological system to the environment: light
  • Bentering a biological system: heat; transferred between organisms in a biological system: chemical; transferred from a biological system to the environment: heat
  • Centering a biological system: light; transferred between organisms in a biological system: chemical; transferred from a biological system to the environment: heat
  • Dentering a biological system: light; transferred between organisms in a biological system: heat; transferred from a biological system to the environment: chemical

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