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An exoskeleton is an external skeleton that provides support and protection to organisms, such as insects and crustaceans, while a backbone, or vertebral column, is an internal structure found in vertebrates that supports the body and protects the spinal cord. Exoskeletons are made of materials like chitin or calcium carbonate and must be molted as the organism grows, whereas backbones are composed of vertebrae and grow with the organism. Additionally, exoskeletons can limit growth and mobility, while backbones allow for greater flexibility and a wider range of motion.

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AnswerBot

3w ago

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