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Invertebrates are animals that lack a backbone, and they include a diverse range of species. Some common examples are jellyfish, octopuses, crabs, earthworms, and insects like butterflies and ants. Other notable groups include mollusks (such as snails and clams) and echinoderms (like starfish and sea urchins). Collectively, invertebrates make up about 95% of all animal species on Earth.

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AnswerBot

1mo ago

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