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Stratification in Aquatic Ecosystem

The second tr...

Question

The second trophic level in a lake is:
(a) phytoplankton
(b) zooplankton
(c) benthos
(d) fishes

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Solution

(b) Zooplankton is the primary consumer in aquatic food chains that feed upon phytoplankton. Therefore they are present at the second trophic level in a lake.

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Stratification in Aquatic Ecosystem

Standard XII Biology

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