One modern group in this phylum possessing single-branched appendages is called Uniramia. Different body plan arrangements in members of this phylum are called tagmata, and members of this phylum poss
One modern group in this phylum possessing single-branched appendages is called Uniramia. Different body plan arrangements in members of this phylum are called tagmata, and members of this phylum possess an excretory system consisting of hemolymph-bathed channels called (*) Malphigian tubules. Members of this phylum may possess ocelli or ommatidia for visual perception. A waxy outer layer helps protect these creatures' inner "procuticle," the chitin-containing layers of their exoskeletons. Members of this phylum also possess jointed appendages and a three-segment body plan. For 10 points, name this phylum that includes crabs, spiders, and insects.
One modern group in this phylum possessing single-branched appendages is called Uniramia.
{Arthropoda}