Question

In a food chain, 10,000 joules of energy is available to the producer. How much energy will be available to the secondary consumer to transfer it to the tertiary consumer? [AI 2012]

Answer 1

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Answer:

First trophic level -- 10,000 J

According to 10 % law,

Only 10 % of a particular trophic level is available to next level.

So for 2nd trophic level the energy available will be -- 10 % of 10,000

10/100 x 10000 = 1000 J