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The second trophic level in a lake is :...

The second trophic level in a lake is :

A

Phytoplankton

B

Zooplankton

C

Benthos

D

Fishes

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PSEB-ECOSYSTEM-EXERCISE
  1. Fill In the blanks: In aquatic ecosystems, the limiting factor for the...

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  2. Fill In the blanks: Common detritlvores In our ecosystem are .

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  3. Fill In the blanks: The major reservoir of carbon on earth is.

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  4. Which one of the following has the largest population in a food chain?

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  5. The second trophic level in a lake is :

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  6. Secondary producers are

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  7. What is the percentage of photosynthetically active radiation(PAR), in...

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  8. Differentiate between grazing food chain and detritus food chain.

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  9. Distinguish between Production and Decomposition.

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  10. Distinguish between: Upright and inverted pyramid

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  11. Distinguish between: Food chain and Food web

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  12. Distinguish between: litter and detritus

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  13. Distinguish between: Primary and secondary productivity

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  14. Describe the components of an ecosystem.

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  15. Define ecological pyramid and describe with examples pyramid of number...

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  16. Define Productivity. What is primary productivity? Give brief descript...

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  17. Define decomposition and describe the processes and products of decomp...

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  18. Give an account of energy flow in an ecosystem.

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  19. Write important features of a sedimentary cycle In an ecosystem.

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  20. Outline salient features of carbon cycling in an ecosystem.

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