Environmental Studies Short Question | Gkseries

Biological communities in a stream vary based on :

(I) Water velocity

(II) Allochthnous material

(III) Size of the particle on the stream bed (IV) Depth of the stream

A (I) and (II) only

B (I), (II) and (III) only

C (II), (III) and (IV) only

D (I), (II), (III) and (IV)

Answer & Explanation
Answer:(I), (II), (III) and (IV)

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