Q. 534.3( 3 Votes )

If the energy transferred to a tertiary consumer in a food chain is 10 J, how much energy was available to the primary consumer?
A. 100 J

B. 500 J

C. 1000 J

D. 5000 J

Answer :

According to 10% energy law, 10% energy is transferred at each trophic level. So if tertiary consumer gets 10J, primary consumer would have had 1000 J of energy out of which, 10% i.e. 100J gets transferred to secondary consumer, 10% of 100J will be transferred to tertiary consumer i.e. 10J.

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