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During ecological succession...

During ecological succession

A

the changes lead to a community that is in near equilibrium with the environment and is called pioneer community

B

the gradual and predictable change in species composition occurs in a given area

C

the establishment of a new biotic community is very fast in its primary phase

D

the numbers and types of animals remain constant

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The correct Answer is:
B
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MOTION-ECOLOGY-EXERCISE -3
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  2. Increase in concentration of the toxicent at successive trophic level...

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  3. During ecological succession

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  4. Which of the following are most suitable indicators of SO(2) pollution...

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  5. The UN conference of Parties on climate change in the year 2012 was he...

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  6. Which of the following is the most important for animals and plants be...

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  7. Which one of the following is a characteristic feature of cropland eco...

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  8. Joint Forest Management Concept was introduced in India during

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  9. The term ecosystem was coined by:

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  10. When does the growth rate of a population following the logistic model...

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  11. Which of the following would appear as the pioneer organisms on bare r...

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  12. A river with an inflow of domestic sewage rich in organic waste may re...

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  13. Gause's principle of competitive exclusion states that:

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  14. How many hot spots of biodiversity in the world have been identified t...

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  15. The primary producers of the deep-sea hydrothermal vent ecosystem are:

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  16. Which of the following is correct for r-selected species?

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  17. If '+' sign is assigned to benefited interaction '-' sign to detriment...

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  18. Which of the following is correctly matched?

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  19. Red List contains data or information on

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  20. Biochemical Oxygen Demand (BOD) may not be a good index for pollution ...

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