The members of this subphylum have a three-part body plan: a head, thorax, and abdomen. Among
other structures, their head has one pair of antennae and a pair of mandibles, and their thorax has three
pairs of walking legs and often one or two pairs of wings.
a. Myriapoda
b. Trilobita
c. Chelicerata
d. Hexapoda
e. Crustacea
D
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