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Science · Grades 1–2

Organism

noun

Any living thing, including plants, animals, fungi, and bacteria.

Example Sentences

"Every organism needs energy and nutrients to survive."

"Scientists classify organisms into different groups based on their traits."

Synonyms & Related Terms

living thingcreature

Quick Check

Which best describes the meaning of organism?

Study Tips

To remember organism, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.