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In a food chain, the number of organisms...

In a food chain, the number of organisms at third trophic level is

A

Remains constant

B

Decreases

C

Increases

D

First increases later decreases

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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-EXERCISE
  1. Are al terrestrial ecosystems similar?

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  2. This shows who eats what is in a particular habitat

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  3. In a food chain, the number of organisms at third trophic level is

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  4. What is the source of energy for all ecosystems?

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  5. The graphic representation of feeding level structure of an ecosystem ...

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  6. In ecological pyramids, producers are represented here

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  7. In ecological pyramids, producers are represented here

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  8. In a food chain the largest population is that of

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  9. Identification of a pollutant as organic, inorganic (or) organometalli...

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  10. Biomass can also be used as a

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  11. This pyramid represents the available food as a source of energy at ea...

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  12. Read the following statements and select the correct option: (a) In...

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  13. "The ratio between energy flows at different tropic levels among the f...

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  14. How the energy flows from producers to consumers in a food chain?

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  15. How does the given below concepts differs? (a) Bioaccumulation (b)...

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  16. The plant substances which are not digested by most animals are

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  17. Name the animal substances that are not digested by most animals.

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  18. Space travellers use the following alga to fulfill their food requirem...

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  19. Most of the energy in gasoline is lost as …… in a cars engine rather t...

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  20. The catchment area of the kolleru lake extend up to

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