(a) zooplankton
(b) phytoplankton
(c) benthos
(d) neuston
[CBSE AIPMT 1994]
CONNECTING MINDS
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Aug 20, 2021
Second most important trophic level in a lake is
Second most important trophic level in a lake is
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Correct Option (a) Reason : In a lake ecosystem, the first trophic level is occupied by phytoplankton and then in second trophic level there are zooplanktons which are primary consumers.