An Arachnid Differs from a Crustacean Because

Multiple Choice

An arachnid differs from a crustacean because

A) arachnids have book gills.
B) arachnids are mostly aquatic and crustaceans are mostly terrestrial.
C) only arachnids shed their exoskeletons.
D) arachnids have two major body segments, the cephalothorax and abdomen, while crustaceans have three body segments.
E) arachnids have four pairs of walking legs.