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