- Food chains illustrate the flow of energy through an ecosystem. - The sequence starts with producers, followed by consumers at different trophic levels. - Diatoms (phytoplankton) are producers. - Crustaceans (zooplankton) are primary consumers. - Herrings (fish) are secondary consumers.
Which one of the following is the correct sequence of a food chain?
Asked in UPSC IAS 2014 · Topic: Subdivisions of Biology (Ecology)
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