Invertebrates do not possess a backbone.
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Invertebrates - animals without a backbone. ... Sponges, corals, worms, insects, spiders and crabs are all sub-groups of the invertebrate group - they do not have a backbone. Fish, reptiles, birds, amphibians and mammals are different sub-groups of vertebrates - they all have internal skeletons and backbones.
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yes the statement is true that invertebrates do not possess a backbone .
only vertebrates possess a backbone in some stage of their life
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