Phylum Arthropoda:

Arthropoda means "jointed feet".

General characteristics of Arthropods:

  • segmentation
  • hard exoskeleton: The exoskeleton protects the animal and provides points of attachment for the muscles that move the appendages.
  • jointed appendages: This diversifies their body plan; allowing their appendages for walking, feeding, sensory reception, copulation and defense.
  • open circulatory system

Phylum Arthropoda comprises of the following subgroups and some major classes:

*added by LadySun