Question

Using the second law of thermodynamics explain the flow of energy across different trophic levels in food Chain

Answer 1

Answer: although the problem given here wants to know the explanation in context with second law of thermodynamics but you should know that the energy flow follows two laws of thermodynamics the First law of Thermodynamics and the Second law of thermodynamics now according to second law of thermodynamics no energy transfer occurs unless and until it is accompanied by degradation or dissipation of energy from concentrated to dispersed form. The transfer of energy from one another from one organism to another organism is accompanied by degradation & loss of major part of food energy as heat .which can be verified can be explained by the 10% law . Energy of food is concentrated from while it's highly dispersed from is heat .

Answer 2

Every trophic level recieves only 10% of energy. Rest is used in respiration or given out as heat