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Fill in the trophic levels (1,2,3 and 4)...

Fill in the trophic levels (1,2,3 and 4) in th eboxes provided in the figure.

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(1) First trophm mm (producers) Plant
(ii) Second trophic level (primary consumers) Herblvorea
(iii) Third trophic level (secondary consumers) Carnivore
(iv) Fourth trophlc ievel (tertiary consumers) Top carnivores
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(a) Name an ideal pyramid existing in an ecosystem. Construct it up to its three trophic levels along with their names. (b) The sun provides 1,000,000 J of sunlight (solar energy) to an ecosystem. Write the amount of energy that is available to the first and third trophic levels, respectively.

Food chains and the energy flow within an ecosystem provide an important understanding of contingencies and mutual dependencies of organisms. The given below flow chart depicts the energy flow within some members of a grassland ecosystem. The grass in the below ecosystem transducer 120,000 J of sunlight and fixes it into 12,000 J of energy. It is established that 90% of the energy of one trophic level is not passed to the next trophic level. Further assume that the energy transferred from one trophic level to the next is equally shared among the different organisms at that trophic level. Based on the above information, indicate the amount of energy that an organism C may have received from an organism from the previous trophic level.

Food chains and the energy flow within an ecosystem provide an important understanding of contingencies and mutual dependencies of organisms. The given below flow chart depicts the energy flow within some members of a grassland ecosystem. The grass in the below ecosystem transducer 120,000 J of sunlight and fixes it into 12,000 J of energy. It is established that 90% of the energy of one trophic level is not passed to the next trophic level. Further assume that the energy transferred from one trophic level to the next is equally shared among the different organisms at that trophic level. Tropic levels are formed by which of the following components?

Food chains and the energy flow within an ecosystem provide an important understanding of contingencies and mutual dependencies of organisms. The given below flow chart depicts the energy flow within some members of a grassland ecosystem. The grass in the below ecosystem transducer 120,000 J of sunlight and fixes it into 12,000 J of energy. It is established that 90% of the energy of one trophic level is not passed to the next trophic level. Further assume that the energy transferred from one trophic level to the next is equally shared among the different organisms at that trophic level. Which organism acts as both the secondary consumer and the tertiary consumer?

Food chains and the energy flow within an ecosystem provide an important understanding of contingencies and mutual dependencies of organisms. The given below flow chart depicts the energy flow within some members of a grassland ecosystem. The grass in the below ecosystem transducer 120,000 J of sunlight and fixes it into 12,000 J of energy. It is established that 90% of the energy of one trophic level is not passed to the next trophic level. Further assume that the energy transferred from one trophic level to the next is equally shared among the different organisms at that trophic level. How many food chains are present in the food web depicted above?

Exercise - 4 Level 1 and 2

In the figure shown, the processes leveled 1,2,3 and 4 are

Food chains and the energy flow within an ecosystem provide an important understanding of contingencies and mutual dependencies of organisms. The given below flow chart depicts the energy flow within some members of a grassland ecosystem. The grass in the below ecosystem transducer 120,000 J of sunlight and fixes it into 12,000 J of energy. It is established that 90% of the energy of one trophic level is not passed to the next trophic level. Further assume that the energy transferred from one trophic level to the next is equally shared among the different organisms at that trophic level. In the food web depicted above, identify the most energy efficient link for tertiary consumer.

NCERT EXEMPLAR-ECOSYSTEM-Ecosystem
  1. In relation to energy transfer in ecosystem, explain the statement ”10...

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  2. Primary productivity caries from ecosystem to ecosystem. Explain ?

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  3. Sometimes due to biotic/abiotic factor the climax remain in a particul...

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  4. What is an incomplete ecosystem? Explain with the help of suitable exa...

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  5. What are the shortcomings of ecological pyramids in the study of ecosy...

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  6. How do you distinguish between humification and mineralisation?

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  7. Fill in the trophic levels (1,2,3 and 4) in th eboxes provided in the ...

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  8. The rate of decomposition of detritus is affected by the abiotic facto...

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  9. A farmer harvests his crop and expresses his harvest in three differen...

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  10. Justify the following statement in terms of ecosystem dynamics. "Natur...

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  11. Which of the following ecosystems will be more productive in terms at:...

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  12. What are the three types of ecological pyramids. What information is c...

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  13. Write a short note on pyramid of numbers and pyramid of biomass.

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  14. Given below is a list of autotrophs and heterotrophs. With your knowle...

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  15. ”The energy flow in the ecosystem follows the second law of thermodyna...

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  16. What will happen to an ecosystem if (a) All producers are removed ...

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  17. Give two examples of artificial or man made ecosystems. List the salie...

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  18. The biodiversity increases when one moves from the pioneer to the clim...

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  19. What is a biogeochemical cycle. What is the role of the reservoir in a...

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  20. What will be the P/R ratio of a climax community and a pioneer communi...

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