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Listionary
Pillow English Listening
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arachnid
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Some examples of invertebrates are octopus and squid, insects, arachnids, starfish and sea urchins, jellyfish, crabs and lobsters, clams and many more creatures.
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invertebrate
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Invertebrates are animals that do not have backbones. → vertebrate
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vertebrate
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Vertebrates are animals that have spines or backbones.
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