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#protist behavior

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A freshwater protist has no cell wall, possesses a flexible protein-rich covering and has one short and one long flagell

The described organism is a euglenoid. Euglenoids have a flexible pellicle and two unequal flagella. They photosynthesise in sunlight but behave as heterotrophs by preying on smaller organisms when sunlight is unavailable.

Ref: NCERT Class 11 Biology Chapter 2: Biological Classification Five Kingdom Classification and Kingdom Plantae Animalia