Ecosystem- Structure and Function

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Ecosystem- Structure and Function: Overview

This topic covers concepts, such as, Ecosystem, Components of Ecosystem, Biotic Components, Terrestrial Ecosystem, Stratification in Ecosystem & Abiotic Components etc.

Important Questions on Ecosystem- Structure and Function

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Flora and fauna in lake or ponds is

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The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as:

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Assertion (A): The stability of coupled systems formed by climate and natural ecosystems is an important ecosystem service.

Reason (R):  Natural ecosystems prevent overheating of the earth by removing more of the greenhouse gases from the atmosphere.

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During summer the density of the surface of the water decreases due to increase in its temperature. The upper most warm layer of a lake is called

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Tilman's experiments with outdoor plots revealed:

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Choose the correct statements:
A) Submerged macrophytes release oxygen and enrich dissolved oxygen in water.
B) A single mature tree can absorb 68 lbs CO2 per year.
C) Production of fuel plants is an example of provision services.
D) The aesthetic value of a place is considered as regulatory service.

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The term "Ecosystem" was coined by:

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Stratification is well developed in

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Read the given statements and select the correct option.
Statement 1 : Zone of transition between two types of communities is called as ecotone
Statement 2 : Estuary is an ecotone between marine and fresh water communities.

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Complete the analogy.

Desert: Terrestrial ecosystem :: Freshwater lake: _____(Aquatic ecosystem/Forest ecosystem/ Grassland ecosystem)

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The zone at the edge of a lake or ocean which is alternatively exposed to air and immersed in water is called(Profundal zone/Littoral zone/ Benthic zone)

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The principal grassland of South America is called(Pampas/ Savanna/Shrublands)

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Submerged hydrophytes have stomata on upper surface.

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The transition zone between the adjacent biomes is ecotype.

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Edaphic factor refers to

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The horizontal distribution of trees is studied in

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________are also known as micro consumers.

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Proteins, lipids, carbohydrates and inorganic substances are _________ components.

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Find the odd one

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________ is a functional unit of nature, where organisms interact with each other and their surroundings.