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Find out what do the terms ‘algal bloom’ and ‘red-tides’ signify

Ncert solutions for Class 11th Biology Chapter 2 Exercise 4


Dianoflagellates can be of different colour depending on the type of pigment present in it. the red dinoflagellates sometimes multiply at a very rapid rate. this is called as algal bloom. this gives a red appearance to the part of affected sea. so this is known as red tides.
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