- The unique feature of hexapods is that their
body segments form three distinct body parts; the head, the thorax,
and the abdomen. This is in contrast to other arthropods which
have many more legs and body segments.
- The head has one pair of antennea, mandibles,
maxillae, and a labium.
- The thorax is made up of three body segments,
one segment forming the base for a pair of legs. Therefore, hexapods have six
walking appendages, with the thorax providing musculature for
locomotion. In most insects, two segments of the thorax provide
them with wings.
- The abdomen comprises 6 to 11 segments.
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