Euglenoids

• Under phylum or division Euglenophyta• Unicellular freshwater flagellates.• Example : Euglena• Have chlorophyll a & b and carotenoids (pigment

that found in green algae and plants).• Stored food as paramylon (polysaccharide).• Can live as autotrophs or heterotrophs• Become hetetrophic and obtain nutrition by

phagocytosis when light levels are low.

• Structure of Euglena (Flagellated Protista)– 2 Flagella

• Short : Not extend outside• Long : Use to propel the organism

– Photoreceptive Eyespot• Photoreceptor – senses the light light level

– Light detector– Nucleus– Paramylum granule– Contractile Vacuole– Chroplasts– Plasma Membrane– Pellicie

The structure of Euglena

• Habitat– Freshwater ponds with large concentrations of

organic material.– Large number of euglenoisds – water polluted– Also found in marine water and mud flats.