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Question

Compare a man with vegetarian food habits and the one with non-vegetarian food habits by making food chains. Which food habit is advantageous from the point of view of energy gain if amount is the same at the producer level? Give reasons.

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Solution

A vegetarian follows a two step food chain, crop plant directly traps solar energy and prepare food like carbohydrates, which is one of the primary source of calories. The plants retain only 1% of the energy that they receive from sun for their food. So a vegetarian gets the rest of the energy upon consumption of plants.

In contrast a non-vegetarian who eats a meat will follow a three step food chain. At first plants followed by animals will consume energy, and then the remaining left over energy will be available for a non-vegetarian.

Thus we can say that vegetarian food habits give us more calories and is more advantageous as compared to non-vegetarian food.


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