Ecological hierarchy comprises, which of the following sequence

 

  • A

    Population $\rightarrow$ Species $\rightarrow$ Community $\rightarrow$ Ecosystem $\rightarrow$ Biosphere

  • B

    Species $\rightarrow$ Population $\rightarrow$ Community $\rightarrow$ Ecosystem $\rightarrow$ Biosphere

  • C

    Species $\rightarrow$ Population $\rightarrow$ Biosphere $\rightarrow$ Community $\rightarrow$ Ecosystem

  • D

    Species $\rightarrow$ Population $\rightarrow$ Biosphere $\rightarrow$ Ecosystem $\rightarrow$ Community

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Column $- I$ Column $- II$
$(a)$ Organisms $(i)$ Group of same species individuals
$(b)$ Populations $(ii)$ Individuals
$(c)$ Communities $(iii)$ Forest, desert, grassland
$(d)$ Biomes $(iv)$ Group of many species