Question

Name the organisms which operates at both secondary and
tertiary trophic levels.

Answer 1

Answer: In an aquatic ecosystem, fishes can consume phytoplankton's and other producers. In such a system, fishes will be primary carnivores or primary consumers or herbivores as compared to the grazing food chain. Some bigger fishes can consume smaller fishes. In this case, bigger fishes will act as secondary consumers or secondary carnivores feeding on primary carnivores. Thus, fishes can occupy more than one trophic levels. Phytoplankton's will always be producers and zooplanktons will always be primary consumers. The frog will always act as secondary consumer feeding on primary consumers i.e., insects

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