noun
euglena
A freshwater flagellate; often mentioned in biology or as a model organism.
ミドリムシは光合成をする微生物です。
Euglena is a microorganism that performs photosynthesis.
Katakana spelling is standard for this organism.
Kanji spelling is rare; the word is usually written in kana.
Compound of 緑 (midori, 'green') + 虫 (mushi, 'bug, insect'), referring to its green color and microscopic animal-like nature.