Answer to Question #128418 in Geography for Sedrick

Question #128418
The diagram below shows a marine food chain

Phytoplankton -------> zooplankton ------- herring--------------salmon

The zooplankton in this chain are

1 primary producers
2 primary consumer
3 secondary consumer
4 tertiary consumer
Expert's answer

Animals and plants must survive by eating; plants use energy from water, sun, and carbon dioxide to make their food. They are called producers since they make their own food. Consumers are organisms which feed on either animals or plant as they cannot create their own food. Marine food chain is composed of energy producers and consumers where phytoplankton are the base of the sea. There is a chain that food passes, phytoplankton are eaten by zooplankton making them the primary consumers.

In this case, Phytoplankton -------> zooplankton ------- herring--------------salmon

Zooplankton is the primary consumer


Fenchel, T. (2003, November 28). (PDF) Marine plankton food chains. ResearchGate.

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