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Concept of ecological pyramids was other...

Concept of ecological pyramids was other in a food chain is :

A

Reiter

B

odum

C

Darwin

D

Elton

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The correct Answer is:
D
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The concept of ecological pyramids was developed by :

Tip of an ecological pyramid is occupied by :

Write a short note on food chain.

Study the following statements and select the incorrect ones. (i) Pyramids of energy and yearly biomass production can never be inverted, since this would violate the laws of thermodynamics. (ii) Pyramids of standing crop and numbers can be inverted, since the number of organisms at a time does not indicate the amount of energy flowing through the system. (iii) There are certain limitations of ecological pyramids such as they do not take into account the same species belonging to two or more trophic levels. (iv) Saprohytes are not given any place in ecological pyramids even though they play a vital role in the ecosystem.

Which type of ecological pyramid is never inverted?

In food chain, lion is a :

Write note on : Food chain

Which of the ecological pyramid is always upright ?

MBD PUBLICATION-ECOSYSTEMS-QUESTION BANK
  1. When an organism is benefitted without affecting the other is called :

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  2. Which one of the following is correct food chain ?

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  3. Concept of ecological pyramids was other in a food chain is :

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  4. Energy transfer from one trophic level to other in a food chain is :

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  5. In any food chain ,the largest population is that of

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  6. Which of the following is the most stable ecosystem?

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  7. In a biotic community (ecosystem) the primary consumers are:

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  8. If we completely remove the decomposers from an ecosystem ,its functio...

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  9. The driving force of the ecosystem is :

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  10. The food chain ,in which micro -organisms break down the energy -rich ...

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  11. A group of individuals belonging to same species constitute a :

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  12. A beneficial association which is necessary for survival of both partn...

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  13. Ecological succession on sand is:

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  14. Primary succession on rocks starts with :

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  15. The first plants to appear in a badly burnt forest area will most prob...

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  16. The ultimate seral community appears in an area as a result of :

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  17. The physiographic factor responsible for the initiation of succession ...

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  18. The ecological succession was first studied by :

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  19. The invasion of a community in succession involves

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  20. The effect of individuals of the same species upon each other is calle...

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