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Question

In the following food chain, plants provide 500J of energy to rats. How much energy will be available to hawks from snakes?
PlantsRatsSnakesHawks

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Solution

The energy transfer in a food chain states that only 10 percent of energy is transferred from one trophic level to next and remaining lost by the metabolic process. So, 500 J from plants to rats and then 50 J to snakes and 5 J to the hawks. Thus, the hawks will have 5 J of energy.
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