The Ophiuroids Have No

Q23: Echinoderms<br>A)are clearly related to cnidarians because of

Q24: A system of unknown function in echinoderms,consisting

Q25: Of the echinoderms,regeneration and autotomy are most

Q26: The Chaetognatha appear to be morphologically similar

Q27: Characteristics of the hemichordates that are shared

Q29: Brittle stars move rapidly for echinoderms.

Q31: One of the principal functions of the

Q32: The common name for the enteropneusts is

Q33: Acorn worms<br>A)belong to the phylum HemichordatA.<br>B)have a

Q52: Minute,pincer-like _ are found on the surfaces