Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?

Which one of the following types of organisms occupy more than one trophic level in a pond ecosystem ?
  1. Phytoplankton
  2. Fish
  3. Zooplankton
  4. Frog

Solution

Fish are the organisms that occupy more than one trophic level in a pond ecosystem: Small fish: Act as secondary consumers, feeding on primary consumers Large fish: Act as tertiary consumers, feeding on smaller fish In a pond ecosystem, phytoplanktons are the producers, and zooplanktons and fish are the primary consumers.

Asked in: NEET 2009 (Screening)

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