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Get Answers to all your Questions
4. Find out what do the terms ‘algal bloom’ and ‘red-tides’ signify.
Answers (2)
Algal bloom- An algal bloom is a term used for excessive growth of algae over a water body causing discolouration of the water body. Algal blooms result in the death of fishes and other aquatic organisms.
Red tides- Red tide is the red colouration of sea water due to the presence of dinoflagellate Gonyaulax. This dinoflagellate produces toxins that lead to the death of fishes.
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The luxuriant growth of cyanobacterial members on stagnant polluted waters are called algal blooms which is caused due to eutrophication Red dinoflagellates like Gonyaulax undergo rapid multiplication and make the medeterranian sea appear red hence it is called red tides
Organisms causing red tides will secrete toxins They may kill the fishes in the sea
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