Consider the following statements concerning | vedclass

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(A) Statement $I$ is incorrect because the removal of tigers (top predators) would lead to an increase in the herbivore population,which would subsequ

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$II$ and $III$

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(A) Statement $I$ is incorrect because the removal of tigers (top predators) would lead to an increase in the herbivore population,which would subsequently overgraze and decrease the vegetation,not increase it.Statement $II$ is correct because carnivores act as a check on the population of herbivores (like deer). Removing them leads to an unchecked increase in the herbivore population.Statement $III$ is correct because,according to the $10\; \%$ law of energy transfer,a significant amount of energy is lost as heat at each trophic level,limiting the number of levels to $3-4$.Statement $IV$ is incorrect as food chains are typically restricted to $3-4$ levels and do not reach $8$ levels in standard ecosystems.Therefore,statements $II$ and $III$ are correct.

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