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Vertical distribution of different speci...

Vertical distribution of different species occupying different levels in a biotic community is known as

A

Stratification

B

Zonation

C

Pyramid

D

Divergence

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Vertical distribution of different species occupying different levels is called

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Consider the following four statements (A-D) and select the correct option stating which ones are true (T) and which ones are False (F). (A) Vertical distribution of different species occupying different levels in a community is called stratification. (B) Net primary productivity minus respiration losses is the gross primary productivity. (C) Rate of biomass production is called decompostion. (D) Annual net primary productivity of oceans is 55 billion tons.

Vertical distribution of different species occupying different levels in dense vegetation is called

Vertical distribution of different species occupying different levels is called stratification.

Which of the following will relate to vertical distribution of different species occupying different levels of ecosystem ?

Identify the correct match . 1. Stratification : Vertical distribution of different species occupying different levels . 2. Secondary productivity : Amount of biomass or organic matter produced per unit area over a time period by plant during photosynthesis . 3. Primary productivity : Rate of formation of new organic matter by consumers . 4 Decomposition : Break down complex organic matter into inorganic substances like carbon dioxide , water and nutrients

How many of the following statements are incorrect ? (i) Decomposition is largely an anaerobic process . (ii) Fragmentation , leaching , and catabolism occur simultaneously on detritus. (iii) The vertical distribution of different species occupying different levels is called stratification . (iv) The pond is a deep water body . (v) The rate of decomposition is controlled by the chemical composition of detritus and climatic factors.

Fill in the blanks with a suitable word . i. The vertical distribution of different species occupying different levels is called ......a....... ii. The breakdown of detritus into smaller particles is called .......b....... iii. In each trophic level , a certain mass of living material at a particular time is called .......c.......

Distribution of organisms in different parts is

ALLEN-ORGANISM & ENVIRONMENT AND DEMOGRAPHY-EXERCISE-II
  1. Which one of the following is an example of mutualism ?

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  2. Which of the following is true:-

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  3. Cryopreservation of gametes of threatened species in viable and fertil...

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  4. High value of BOD (Biochemical Oxygen Demand) indicates that

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  5. The UN Conference of Parties on climate change in the year 2011 was he...

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  6. Rachel Carson's famous book "Silent Spring" is related to

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  7. Most animals are tree dwellers in a

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  8. In which of the following both pairs have correct combination?

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  9. Vertical distribution of different species occupying different levels ...

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  10. The mass of living material at a trophic level at a particular time is...

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  11. In an ecosystem the rate of production of or- ganic matter during phot...

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  12. Secondary Succession takes place on/ in

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  13. The following graph depicts changes in two populations (A and B) of he...

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  14. Most animals that live in deep oceanic wa- ters are

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  15. An association of individuals of different species living in the same ...

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  16. Eutrophication of water bodies leading to killing to fishes is mainly...

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  17. Acid rain is caused by increase in the atmo- ,spheric concentration of

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  18. Increase in concentration of the toxicant at successive trophic levels...

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  19. Which of the following is not a cause for loss of biodiversity

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  20. The figure is showing relative constibution of various green house gas...

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