Write important features of a sedimentary cycle in an ecosystem.

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12.Ecosystem

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Write important features of a sedimentary cycle in an ecosystem.

Option A

Option B

Option C

Option D

Solution

Sedimentary cycles have their reservoirs in the Earth's crust or rocks. Nutrient elements are found in the sediments of the Earth. Elements such as sulphur phosphorus, potassium, and calcium have sedimentary cycles.

Sedimentary cycles are very slow. They take a long time to complete their circulation and are considered as less perfect cycles. This is because during recycling, nutrient elements may get locked in the reservoir pool, thereby taking a very long time to come out and continue circulation. Thus, it usually goes out of circulation for a long time.

Standard 12

Biology

A farmer harvests his crop and expresses his harvest in three different ways.

$(a)$ I have harvested $10$ quintals of wheat.

$(b)$ I have harvested $10$ quintals of wheat today in one acre of land.

$(c)$ I have harvested $10$ quintals of wheat in one acre of land, 6 months after sowing.

Do the above statements mean one and the same thing. If your answer is yes, give reasons. And if your answer is ‘no’ explain the meaning of each expression.

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The most striking difference between tropical rain forest and temperate forest is that

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Temperate forests occur in India in

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Match the columns :

Column – $I$ Column – $II$

$(i)$Primary succession $(i)$ Development of ecosystem

$(ii)$Ecological succession $(ii)$ Lichens

$(iii)$ Base species on rocks $(iii)$ Near to the equilibrium with the environment.

$(iv)$ Climax community $(iv)$ New species of lenvironment

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Cycling of elements in an ecosystem is called

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Column – $I$	Column – $II$
$(i)$Primary succession	$(i)$ Development of ecosystem
$(ii)$Ecological succession	$(ii)$ Lichens
$(iii)$ Base species on rocks	$(iii)$ Near to the equilibrium with the environment.
$(iv)$ Climax community	$(iv)$ New species of lenvironment

Write important features of a sedimentary cycle in an ecosystem.

Solution

Similar Questions

The most striking difference between tropical rain forest and temperate forest is that

Temperate forests occur in India in

Match the columns : Column – $I$ Column – $II$ $(i)$Primary succession $(i)$ Development of ecosystem $(ii)$Ecological succession $(ii)$ Lichens $(iii)$ Base species on rocks $(iii)$ Near to the equilibrium with the environment. $(iv)$ Climax community $(iv)$ New species of lenvironment

Cycling of elements in an ecosystem is called

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Match the columns :

Column – $I$ Column – $II$

$(i)$Primary succession $(i)$ Development of ecosystem

$(ii)$Ecological succession $(ii)$ Lichens

$(iii)$ Base species on rocks $(iii)$ Near to the equilibrium with the environment.

$(iv)$ Climax community $(iv)$ New species of lenvironment