A euglena is a protist that can eat food like animals do (partly heterotrophic) and can make food like plants do (partly autotrophic). Euglena can surround a particle of food and eat it (phagocytosis). Many Euglena contain chloroplasts and chlorophyll a and b. Euglena live in fresh water, salt water and in the soil. Many Euglena are able to move by using a flagellum, a long whip-like structure. When the water dries up, a euglena forms a thick protective wall around itself and lies dormant in the form of a spore until the environment improves. It reproduces by fission,splitting into parts, like amoeba.
Protist 154(1):99–145. http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=PubMed&cmd=Retrieve&list_uids=12812373