EcosystemHard

Question

In the vast marine ecosystem, certain sea develop red colouration. This red colour is due to the presnce of large population of which one of the following organisms?

Options

A.Trichodesmium erythrium
B.physarium
C.Dinoflagellates
D.Diatoms and members of red algea

Solution

Trichodesmium erythrium is a cyanobacteria (blue green alga). Although a blue green alga, it possesses a pigment, phycoerythrin, which water of the sea in which it is found, hence named Red Sea.

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