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Science · Grades 1–2

Invertebrate

noun

An animal that does not have a backbone.

Example Sentences

"Insects, worms, and jellyfish are invertebrates."

"More than 95% of all animal species are invertebrates."

Synonyms & Related Terms

spineless animal

Quick Check

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Study Tips

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

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