For the following questions consider these characteristics:
I. radial symmetry
II. bilateral symmetry
III. true tissues
IV. complete digestive tract
One of the most venomous organisms on earth is an Australian marine invertebrate that kills its prey using cnidocytes. These animals would be expected to have
◦ I only.
◦ I and III only.
◦ II and III only.
◦ II, III, and IV only.