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Biosphere is a global ecosystem composed...

Biosphere is a global ecosystem composed of living organisms and abiotic factors from which they derive energy and nutrients. And ecosystem is defined as structural and functional unit of the biosphere comprising of living and non-living environment that interact by means of food chains and chemical cycles resulting in energy flow, biotic diversity and material cycling to form a stable, self-supporting system

Which trophic level is incorrectly defined?

A

Camlvores - secondary or tertiary consumers

B

Decomposers - mlarobial heterotrophs

C

Herbivores - primary consumers

D

Omnivores – molds, yeast and mushrooms

Text Solution

Verified by Experts

The correct Answer is:
D
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Biosphere is a global ecosystem composed of living organisms and abiotic factors from which they derive energy and nutrients. And ecosystem is defined as structural and functional unit of the biosphere comprising of living and non-living environment that interact by means of food chains and chemical cycles resulting in energy flow, biotic diversity and material cycling to form a stable, self-supporting system The given figure best represents:

Biosphere is a global ecosystem composed of living organisms and abiotic factors from which they derive energy and nutrients. And ecosystem is defined as structural and functional unit of the biosphere comprising of living and non-living environment that interact by means of food chains and chemical cycles resulting in energy flow, biotic diversity and material cycling to form a stable, self-supporting system Which of the following group of organisms are not included in ecological food chain?

Biosphere is a global ecosystem composed of living organisms and abiotic factors from which they derive energy and nutrients. And ecosystem is defined as structural and functional unit of the biosphere comprising of living and non-living environment that interact by means of food chains and chemical cycles resulting in energy flow, biotic diversity and material cycling to form a stable, self-supporting system The diagram below shows a food web from the sea shore The mussel can be described as

Biosphere is a global ecosystem composed of living organisms and abiotic factors from which they derive energy and nutrients. And ecosystem is defined as structural and functional unit of the biosphere comprising of living and non-living environment that interact by means of food chains and chemical cycles resulting in energy flow, biotic diversity and material cycling to form a stable, self-supporting system Consider the following statements concerning food chains: (i) Removal of 80% tigers from an area resulted in greatly increased growth of vegetation (ii) Removal of most of the carnivores resulted in an increased population of herbivores. (iii) The length of the food chains is generally limited to 3 – 4 trophic levels due to energy loss (iv) The length of the food chains may vary from 2 to 8 trophic levels Which two of the above statements are correct?

What is the functional unit of the environment comprising of the living and non-living components called?

Cells are structural and functional unit of living organisms.

Cell is the fundamental structural and functional unit of living organism

Use of living organisms for removing pollutants from the biosphere is called

Trophic levels in ecosystem is formed by:

OSWAL PUBLICATION-NEW CHAPTERS AND QUESTIONS BASED ON LATEST TYPOLOGIES INTRODUCED BY CBSE FOR 2021-22 EXAMINATION -OUR ENVIRONMENT (VISUAL CASE-BASED QUESTIONS )
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  2. Food chains are very important for the survival of most species. When ...

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