Energy is lost between trophic levels mainly through

  1. diffusion of oxygen
  2. osmosis
  3. respiration, as heat
  4. photosynthesis
Answer

C) respiration, as heat

Respiration releases heat to the environment. O Level Biology · Topic 19 Relationships of Organisms with One Another and with the Environment · 19.1 Energy flow

Biology MCQ · More O Level Biology: Organisms and the Environment MCQs · Practise