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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 and
(c) All top carnivore population is removed 

Text Solution

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Hints:
(a) Reduction in primary productivity. No biomass available for consumption to higher trophic levels/heterotrophs so they die.
(b) Increase in primary productivity and biomass of producers. Carnivorous population will subsequently dwindle due to food shortage.
(c) Increase in number of herbivores and overgrazing by herbiovores chances of desertification.
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