Which one statement is correct regarding man- | vedclass

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Question

(D) Man-made ecosystems (also known as artificial ecosystems) such as croplands,gardens,and aquariums are characterized by the following features:$1$.

Vedclass · Accepted Answer

All are correct

Vedclass · Answer

(D) Man-made ecosystems (also known as artificial ecosystems) such as croplands,gardens,and aquariums are characterized by the following features:$1$. They are highly efficient in terms of energy conversion and productivity for human needs.$2$. They have very low species diversity compared to natural ecosystems,often being monocultures.$3$. Due to low diversity and lack of complex food webs,they are highly vulnerable to environmental stresses like drought,floods,and outbreaks of pests or diseases.Therefore,all the given statements are correct.

Column-$I$	Column-$II$
$(i)$ Producers	$(P)$ Primary consumers
$(ii)$ Herbivores	$(Q)$ Net primary productivity
$(iii)$ Carnivores	$(R)$ Primary trophic level
$(iv)$ Top carnivores	$(S)$ Secondary productivity

Which one statement is correct regarding man-made ecosystems?

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Match the following columns correctly:

Column-$I$ Column-$II$

$(i)$ Producers $(P)$ Primary consumers

$(ii)$ Herbivores $(Q)$ Net primary productivity

$(iii)$ Carnivores $(R)$ Primary trophic level

$(iv)$ Top carnivores $(S)$ Secondary productivity

Observe the given chart and identify what it represents.

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