Task: Text Categorization
Input (English): 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.
Output (English): Science