Refer to the figure showing an arthropod exoskeleton. Which structure is/are common to arthropods and annelids?

Question

Refer to the figure showing an arthropod exoskeleton.  Which structure is/are common to arthropods and annelids?

Quizplus · Accepted Answer

Both arthropods and annelids have a ventral nerve cord that runs down the belly side of their bodies. This nerve cord is responsible for transmitting signals between the brain and the rest of the body. The other structures listed may be present in arthropods, but not necessarily in annelids.

Refer to the Figure Showing an Arthropod Exoskeleton