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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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