Question
How do dinoflagellates differ from euglenoids?
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S.No.
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Dinoflagellates
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Euglenoids
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1.
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they have a cell wall with stiff cellulosic plates on the outer surface.
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They have no cell wall, but pellicle, which gives shape and flexibility to body.
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2.
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They are mostly found in stagnant water.
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They are freshwater forms marine.
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3.
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They are always photoautophotoautotrophic.
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They may be trophic or heterotrophic and predaceous in the absence of sunlight.
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4.
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They have two flagella, one lies transversely and the other longitudinally.
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They have two flagella, both anterior in position but one is very short and one is long.
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