Q10 of 50 Page 475

Choose one consumer each that belongs to the second and third trophic levels from the organisms given below:

Eagle, frog, tiger, rabbit, box.

•Frog and rabbit belong to second trophic level as they are carnivores feed on plants or producers.


•Eagle and tiger belong to third trophic level as they are carnivores feed on herbivores or primary consumers.


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State 10% law. Explain with an example how energy flows through different trophic levels.

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(a) How do autotrophs prepare their food?

(b) In the following food chain, 500J of energy is available to plant. How much energy will be available at I consumer and II consumer levels?


Plant → Sheep → Man