Which of the following statements regarding f | vedclass

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(C) Statement $(1)$ is incorrect because removing tigers (top predators) leads to an increase in herbivores (like deer),which in turn overgraze the ve

Vedclass · Accepted Answer

$2, 3$

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(C) Statement $(1)$ is incorrect because removing tigers (top predators) leads to an increase in herbivores (like deer),which in turn overgraze the vegetation,leading to a decrease in plant growth.Statement $(2)$ is correct; removing carnivores reduces predation pressure,leading to an increase in the population of herbivores like deer.Statement $(3)$ is correct; according to the $10\%$ law of energy transfer,energy availability decreases significantly at each successive trophic level,limiting the chain length.Statement $(4)$ is incorrect; while food chains can vary,they rarely exceed $4-5$ trophic levels in natural ecosystems due to the drastic loss of energy.Therefore,statements $(2)$ and $(3)$ are correct.

Column-$I$	Column-$II$
$(a)$ Decomposers	$(i)$ Bacteria
$(b)$ Primary productivity	$(ii)$ Consumers
$(c)$ Natural ecosystem	$(iii)$ Producers
$(d)$ Secondary productivity	$(iv)$ Forest

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Match the columns:

Column-$I$ Column-$II$

$(a)$ Decomposers $(i)$ Bacteria

$(b)$ Primary productivity $(ii)$ Consumers

$(c)$ Natural ecosystem $(iii)$ Producers

$(d)$ Secondary productivity $(iv)$ Forest

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