TLS Online TPP Program

#Question id: 8861


Which of the following is true of members of the phylum Cnidaria?

#SCPH28 | Zoology
  1. They are not capable of locomotion because they lack true muscle tissue.
  2. They are primarily filter feeders.
  3. They have either or both of two body forms: mobile polyps and sessile medusae.
  4. They may use a gastrovascular cavity as a hydrostatic skeleton.