Identify which of the following feature(s)are found in the cnidarians but not in the comb jellies.

A)They are free-swimming invertebrates.
B)They contain a capsule called a nematocyst.
C)They produce movement by the beating of cilia.
D)Much of the body is composed of a jellylike substance called mesoglea.
E)These species can be found in the marine environment.