Living Thing, Creature, Organism
noun
A life thing is a living thing, a creature, or an organism.
せいぶつ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
海の中には、色々な生物がいます。
There are various creatures in the sea.
あの生物は一体何なのか未だに不明です。
It is still unknown what that creature is.
前回の生物のクラスのノート、見せてくれないかな。
I'm wondering if you can show me your notes from the last biology class.