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Question

Look at the food chain given below as seen in a field and answer the questions that follow. Wheat → Rat → Snake → Eagle (i) The farmer of the wheat field uses pesticides and kills all the rats. How is that useful to the farmer? (ii) What will happen if all the snakes in the field are removed?

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Answer

(i) Killing all the rats, the farmer saves his field from the pests and his production of wheat will increase.

(ii) If all the snakes are removed the population of rats in the field will increase and they will reduce the production of wheat by feeding on them.

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