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What will happen to an ecosystem if: (...

What will happen to an ecosystem if:
(a) All producers are removed
(b) All organisms of herbivore level are eliminated
(c ) All top carnivore population is removed.

Text Solution

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(a) Reduction in Primary Productivity and biomass of producers. No biomass available for transfer to next higher tropic levels.
(b) Increase in Primary productivity and biomass of producers. Carnivore population will dwindle.
(c ) Overgrazing leading to desertification.
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Knowledge Check

  • Consider the following statements concerning food chains (i) removal of 80% tigers from an area resulted in greatly increased growth of vegetation (ii) removal of most of the carnivores resulted in an increased population of deers (iii) the length of food chains is generally limited to 3-4 trophic levels due to energy loss (iv) the length of food chains may very from 2 to 8 trophic level Which two of the above statement are correct?

    A
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    B
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    C
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    D
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