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
