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What will happen to an ecosystem if: (a) All producers are removed; (b) All organisms of herbivore level are eliminated; and

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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

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(a) Reduction in primary productivity. No biomass available for consumption by higher trophic levels / heterotrophs.

(b) Increase in primary productivity and biomass of producers. Carnivores population will subsequently dwindle due to food shortage.

(c) Increase in number of herbivores

  • Overgrazing by herbivores
  • Desertification
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