Biology 0610 · IGCSE · Energy flow

Energy flow — practice question

It is estimated that $90\%$ of the energy passing through living organisms in a food chain is lost from one trophic level to the next. The producers in a food chain have $1000$ units of energy. How many units of energy will reach the quaternary consumers in the food chain?

  • A$0.1$ units
  • B$1$ unit
  • C$10$ units
  • D$100$ units

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