Four of the Following are Major Features of Arthropods

Question

Four of the following are major features of arthropods.Which is the exception?  
A) Jointed appendages
B) Exoskeleton
C) Paired segmental nephridia
D) Specialized segments that are fused together
E) Specialized sensory structures

Accepted Answer

Arthropods have specialized segments that are fused together, jointed appendages, an exoskeleton, and specialized sensory structures. However, they do not have paired segmental nephridia.