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Q.21. "Every species has a role to play in the ecosystem". Justify the statement with five valid points.

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Every species has a role to play in the ecosystem”. Elaborate the statement

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asked Mar 27, 2018 in Class IX Social Science by aditya23 (-2,145 points)

Every species has a role to play in the ecosystem”. Elaborate the statement

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answered Mar 27, 2018 by priya12 (-12,629 points)

An ecosystem comprises the physical environment.

It is an interlinked system with the plants and animals living therein linked to each other.

Ecosystems have evolved over a period of thousands of years.

Some examples of interlinking are

(i) Insects help in pollination of crops and fruit trees. Some insects also exert biological control on harmful insects.

(ii) Carnivorous animals kill herbivorous animals for food and herbivorous animals consume plants for food.

(iii) Decomposers like fungi and bacteria fertilise the soil with humus by decomposing dead animals and plants to enable plants to grow. There are many such examples of interlinking to show that every species has a role to play in the ecosystem.

Thus, we can conclude that every species has a role to play in the ecosystem

Answer 2

An ecosystem comprises the physical environment.
It is an interlinked system with the plants and animals living therein linked to each other.
Ecosystems have evolved over a period of thousands of years.
Some examples of interlinking are
(i) Insects help in pollination of crops and fruit trees. Some insects also exert biological control on harmful insects.
(ii) Carnivorous animals kill herbivorous animals for food and herbivorous animals consume plants for food.
(iii) Decomposers like fungi and bacteria fertilise the soil with humus by decomposing dead animals and plants to enable plants to grow. There are many such examples of interlinking to show that every species has a role to play in the ecosystem.
Thus, we can conclude that every species has a role to play in the ecosystem.