Euglena move with a whip-like extension called a flagella. The flagella allows the euglena to move around. Only one celled organisms have a flagella.

an euglena has a flagellum and a green algae is green

Euglena- protist with flagella

these protists move pulling themselves with long whiplike structure called flagella

Euglena daitoms and amoeba are all microscopic hence are viewed using a microscope.

Euglena, as a genus of unicellular flagellate protists, have three methods of nutrition. The first is holozic, which is the ingestion of solid food. The second is saprophytic. This is the absorption of foods. The last is holophytic which uses chemical elements for foods.