Assertion: Ecological pyramids are also called Eltonian pyramids.
Reason: An ecological pyramid is always upright.

Both the assertion and the reason are true and the reason is the correct explanation for the assertion

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Both the assertion and the reason are true but the reason is not the correct explanation of the assertion

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The assertion is true but the reason is false

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Both the assertion and the reason are false

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Solution

The correct option is
D
Both the assertion and the reason are false.
Ecological pyramids were developed by Charles Elton and are, therefore, also called Eltonian pyramids. An ecological pyramid is the representation of energy flow in an ecosystem. It can be upright, inverted or spindle-shaped depending on the type of pyramid.

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