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How much energy will be available to hawks in the food chain comprising hawk, snake, paddy and mice, if 10,000 J of energy is available to paddy from the sun? - Science

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Question

How much energy will be available to hawks in the food chain comprising hawk, snake, paddy and mice, if 10,000 J of energy is available to paddy from the sun?

Answer in Brief

Solution

Ten percent of the energy will be available to hawks.

In this food chain, the energy transfer will take place as follows.

  1. Paddy → Mice→ Snakes →Hawks
                     10 J        1 J         0.1 J
  2. Paddy → 1% energy trap → 100 J of Energy
  3. 10% Law of Energy
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Chapter 5: Our Environment - Exercise 2 [Page 241]

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Lakhmir Singh Biology (Science) [English] Class 10
Chapter 5 Our Environment
Exercise 2 | Q 38.2 | Page 241

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