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name="description" content="Invertebrates don't have backbones or bony skeletons. They range in size from microscopic mites to giant squid with soccer-ball-size eyes."/><meta data-react-helmet="true" name="medium" content="website"/><meta data-react-helmet="true" name="guid" content="drn:src:natgeo:unison::prod:5cb90886-6458-4d90-bbb8-143d51561391"/><meta data-react-helmet="true" property="og:site_name" content="National Geographic"/><meta data-react-helmet="true" property="og:title" content="Invertebrates"/><meta data-react-helmet="true" property="og:description" content="Invertebrates don't have backbones or bony skeletons. 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