Definition
A *euglenoid* is a type of single-celled organism characterized by its unique features. They belong to the phylum Euglenophyta. *Euglenoids* are typically found in freshwater environments. They are known for their flagella, which they use for movement. Many *euglenoids* have chloroplasts and can perform photosynthesis, much like plants. Think of them as versatile, microscopic swimmers that also harness solar energy. They are a fascinating example of evolutionary adaptation.