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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?

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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
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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 Part 3 [English] Class 10
Chapter 5 Our Environment
Exercise 2 | Q 38.2 | Page 241

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