12.Ecosystem
easy

The second trophic level in a lake is

A

Phytoplankton

B

Benthos

C

Zooplankton

D

Fishes

Solution

$(c)$ Zooplankton Zooplankton are primary consumers in aquatic food chains that feed upon phytoplankton. Therefore, they are present at the second trophic level in a lake.

Standard 12
Biology

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