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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Why is the rate of assimilation of energy at the herbivore level called secondary productivity?

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प्रश्न

Why is the rate of assimilation of energy at the herbivore level called secondary productivity?

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उत्तर

It is because the biomass available to the consumer for consumption is a resultant of the primary productivity from plants.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 14: Ecosystem - VERY SHORT ANSWER [पृष्ठ १०२]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
पाठ 14 Ecosystem
VERY SHORT ANSWER | Q 14. | पृष्ठ १०२

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संबंधित प्रश्‍न

What is primary productivity?


Distinguish between primary and secondary productivity.


What is primary productivity?


Why does primary productivity vary in different types of ecosystems?


Answer the following question.
Describe the inter-relationship between productivity, gross primary productivity, and net productivity.


Secondary productivity is rote of formation of new organic matter by ______.


The biomes energy available for consumption by herbivores is called ______.


How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?


In the equation GPP − R = NPP R represents ______


Productivity is the rate of production of biomass expressed in terms of ______.


Which of the following ecosystems is most productive in terms of net primary production?


Justify the pitcher plant as a producer.


Why are oceans least productive?


Primary productivity varies from ecosystem to ecosystem. Explain?


Which of the following ecosystems will be more productive in terms of primary productivity? Justify your answer. A young forest, a natural old forest, a shallow polluted lake, alpine meadow.


The primary productivity in an ecosystem is expressed as ______.

  1. gm-2 yr-1
  2. gm-2 yr
  3. Kcal m-2 yr-1
  4. Kcal m-2

Use the information provided in the table given below to answer the following questions:

Tropic level Net Production(KJm-2y-1) Respiration (KJm-2y-1)
Top Carnivore 50 35
Carnivores 420 378
Herbivores 4490 4041
Producers 45000 40,367
  1. Calculate the gross primary productivity.
  2. Analyze the trend in the Net Production from Producers to Top Carnivore. Give a reason for your observation.

Which of the following is the unit of productivity of an Ecosystem?


In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is 100x(kcal m−2) yr−1, what would be the GPP (Gross Primary Productivity) of the third trophic level of the same ecosystem?


Primary productivity in an ecosystem refers to the rate of generation of ______.


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