How do annelid animals differ from arthropods?

  • A
    Annelids have an open circulatory system, while arthropods have a closed one.
  • B
    Annelids have a closed circulatory system, while arthropods have an open one.
  • C
    Annelids have jointed appendages, while arthropods do not.
  • D
    Annelids have an exoskeleton, while arthropods have a soft body.

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