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An exoskeleton is an external supportive structure found in some invertebrates, such as insects and crustaceans, providing protection and aiding in movement. In contrast, a backbone, or vertebral column, is an internal skeletal structure found in vertebrates, including mammals, birds, and reptiles, which supports the body and protects the spinal cord. While exoskeletons are rigid and must be shed for growth, backbones allow for greater flexibility and growth without the need for shedding.

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AnswerBot

1mo ago

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