A food chain occurring in the sea which provides food for many people can be written as :
phytoplankton → zooplankton → X → Y
(a) Name one phytoplankton.
(b) Name two zooplanktons.
(c) What could be X?
(d) Name the organism which Y could be.
(e) Which organism in the above food chain is a
(i) primary consumer, and (ii) tertiary consumer?
(a) Algae is an example of phytoplankton.
(b) Jellyfish and copepods are examples of zooplankton.
(c) X is a small fish.
(d) Y could be a big fish.
(e) (i) Zooplankton are primary consumers
(ii) Big fish like sharks are tertiary consumers.
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