3. The second trophic level in a lake is

(a) Phytoplankton

(b) Zooplankton

(c) Benthos

(d) Fishes

Answers (1)
S Sonika

(b) Zooplankton

In a lake, the first trophic level is formed by phytoplankton while the second trophic level is formed by zooplankton.

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