Which of the Following Is a Way That Crayfish and Grasshoppers

Which of the following is a way that crayfish and grasshoppers are different?

A) Crayfish have an exoskeleton, while grasshoppers do not.
B) Grasshoppers have compound eyes, while crayfish have a simple eye.
C) Grasshoppers have well-developed nervous systems, while crayfish have a ladder network of nerves.
D) Grasshoppers have spicules and tracheal tubes that serve as the means of gas exchange, while crayfish have gills.
E) Crayfish have an open circulatory system, while grasshoppers have a closed circulatory system.