Question

what are dinoflagellates??​

Answer 1

Answer:

a single-celled organism with two flagella, occurring in large numbers in marine plankton and also found in fresh water. Some produce toxins that can accumulate in shellfish, resulting in poisoning when eaten.

Answer 2

Answer for Class 11 Biology Students

Dinoflagellates:

 It is one of the major groups of the kingdom Protista which includes diatoms.

 Mostly marine and photosynthetic.

 Appear yellow, green, brown or red depending on amount of pigment present in their cells.

 Red dinoflagellates (e.g. Gonyaulax) undergo rapid multiplication and make the sea appear red (red tides).

 Cells are covered by rigid plates made up of cellulose.

 Some dinoflagellates release toxins which may even kill other organisms.

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