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Pioneer community established in bare ro...

Pioneer community established in bare rock is

A

Mosses

B

Lichens

C

Phytoplanktons

D

Higher plants

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Pioneer community established on a bare rock is

Read the given statements and select the correct option: Statement 1: Pioneer community is the stable and final biotic community of an ecological succession. Statement 2 : Pioneer community has maximum diversity and niche specialisation.

What is ecological succession on bare rock called? Name the first and the last but one succession stage in it. Explain how the climax community gets established in this succession.

Plant succession is the gradual predictable change in species composition of an area. It starts with pioneer community which leads to stable climax community which results in a……….condition.

Climax communities

Climax communities

Assertion : Lichens are a pioneer community in the temperate region. Reason : Blue-green algae grow as the pioneer community in the tropical region.

choose the correct set of statements (A) successful germination of propagules and its establishment in a bare area is called nudation. (B) succession and evolution would have been parallel processes to have occurred over millions of years scenes life started on earth (C) the flow of energy is uni directional from producer to consumer level.

Sucession starts on the large and bare rock is called

What will be the P/R ratio of a climax community and a pioneer community? What explanation could you offer for the changes seen in P/R ratio of a pioneer community and the climax community?

VMC MODULES ENGLISH-ECOSYSTEM-EFFICIENT
  1. When the environmental conditions are optimum, the "" may produce as ...

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  2. Humification results in the formation of ............. substance.

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  3. Pioneer community established in bare rock is

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  4. Succession proceeds from

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  5. Trophic structure may be described in terms of the amount of "" materi...

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  6. The standing crop is commonly expressed as the :

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  7. The biomass of a species is expressed in terms of either fresh or dry ...

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  8. Both hydrarch and xerarch successions leads to

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  9. Productivity in ecosystem is of "" kinds :

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  10. Select an incorrect statemnet for ecosystem and trophic levels :

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  11. A knowledge of the rates at which differenct processes occur in ecosys...

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  12. The rate of biomass production by consumers is called :

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  13. The concentration of elements such as carbon and nitrogen in ...

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  14. Primary productivity refers to the rate at which "" is captured by "" ...

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  15. Primary productivity has "" aspects :

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  16. The total organic matter ( biomass) production by plant is called :

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  17. The balance energy or biomass remaining after meeting the requirement ...

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  18. The net primary productivity results in the accumulation of plant biom...

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  19. At the trophic level of consumers, the rate at which food energy is as...

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  20. The magnitude of primary productivity depends on the photosynthetic ca...

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