Select correct option w.r.t. Age pyramids.

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12.Ecosystem

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Select the correct option w.r.t. Age pyramids.

$a$ - Expanding, $b$ - stable, $c$ - Declining

$a$ - stable, $b$ - Expanding, $c$ - Declining

$a$ - stable, $b$ - Declining, $c$ - Expanding

$a$ - Declining, $b$ - stable, $c$ - Expanding

(AIIMS-2019)

Solution

The first graph represents a narrow top and wide base. Thus, it is considered to be expanding. The second graph represents similar width from top to bottom. Thus, it is considered to be stable. The third graph is considered to be declining because it has a wider top and narrow base.

Standard 12

Biology

To show how many organisms are present at each level of a food chain, ecologists use a model called

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The relationship in an ecosystem can be depicted in

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(AIIMS-1998)

$A$ : Pyramid of biomass is always upright for tree ecosystem.

$R$ : Total biomass of a tree in a specific area is more than that of herbivores.

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When the number of organisms at successive levels are plotted, they assume the shape of a pyramid. This is called the pyramid of

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(AIPMT-2001)

Which kind of pyramid is represented by the given diagram

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Select the correct option w.r.t. Age pyramids.

Solution

Similar Questions

To show how many organisms are present at each level of a food chain, ecologists use a model called

The relationship in an ecosystem can be depicted in

$A$ : Pyramid of biomass is always upright for tree ecosystem. $R$ : Total biomass of a tree in a specific area is more than that of herbivores.

When the number of organisms at successive levels are plotted, they assume the shape of a pyramid. This is called the pyramid of

Which kind of pyramid is represented by the given diagram

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$A$ : Pyramid of biomass is always upright for tree ecosystem.

$R$ : Total biomass of a tree in a specific area is more than that of herbivores.