A taxonomic or anatomical classification relating to arthropods or animals with jointed bodies and a distinct abdominal or gastric region.
From Greek 'arthro-' meaning joint and 'gastra' relating to stomach or belly, combining body structure descriptors used in zoological classification.
This term captures one of nature's most successful body plans—segmentation with jointed limbs—which is so effective that arthropods represent over 80% of all known animal species on Earth.
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