definition of jointed appendages
An arthropod is an invertebrate that has an exoskeleton, a segmented body, and jointed attachments called appendages. Arthropods are animals belonging to the Phylum Arthropoda, and include the insects, arachnids, crustaceans,...rthropod is a term that literally means  jointed foot. ... jointed appendages ... 1. jointed appendages and segmentation allow for greater movement and protection ... We have legs that bend with feet that bend and toes that bend. ... We have arms that bend, with hands that bend, with fingers that bend. ...