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Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

1. Its base is broad
2. It shows energy content of different trophic level organisms
3. It is inverted in shape
4. It is upright in shape

Correct answer: It is inverted in shape

Solution

The pyramid of energy is always upright because energy flow in an ecosystem is unidirectional and decreases at each successive trophic level due to energy loss as heat. Therefore, the statement 'It is inverted in shape' is incorrect.

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