생물이 · 생물을
living thing, organism; biology (school subject)
Example
바다에는 아직 모르는 생물이 많아요.
There are still many unknown creatures in the ocean.
Word parts
생 life+물 thing
Literally 'living thing'.
Good to know
As a school subject, students say 생물 for biology, though the official course name is 생명과학.
Related words